Why does my Jeep Grand Cherokee Run rough?

I’ve got a Jeep Grand Cherokee 4.7 v8 that has suddenly developed a problem that makes the Jeep idle rough and run bad like it is missing or starved of fuel or something. On a cold start, where the car has been sat for some time the car will crank and start straight away without any problem. It will rev up on start and settle down as normal.

What to do when your Jeep Cherokee Idles rough?

Connector has a lock and is a bit tricky to work off. Also used carburetor cleaner to clean gunk off throttle body assembly. Gunk that went into intake manifold was digested by fuel injector cleaner that I placed in a full gas tank. Don’t use the cheap stuff if you want results. Purrs like a kitten now even with 115,000 miles on it.

Why did my Jeep Grand Cherokee keys get deleted?

If you have gotten new keys for the car it is possible that the key got deleted during program of the new keys, either because the locksmith/dealer cleared existing keys, or because you exceeded maximum number of keys allowed by the WCM, which will delete oldest keys first as new ones are added.

What was the model year of the Jeep Grand Cherokee?

The Jeep Grand Cherokee was redesigned for the 1999 model year; the 2000 models have minimal changes. This model is also known as Jeep WJ. It starts runs rough for about three seconds then shuts off..What is the procedure to reset the anti theft control..

Is there a problem with my 2000 Jeep Grand Cherokee?

No one has added a helpful site for this 2000 Grand Cherokee problem yet. Be the first! Read reviews of repair shops in your area. Enter your zip code: Search CarComplaints.com for these popular complaint phrases…

Why does my Jeep Grand Cherokee shut off while driving?

My 2000 Jeep Grand Cherokee shuts off while driving. The first few times It shut off I was able to restart it with in a few minutes. I changed the crank sensor and that worked for a couple of weeks. It then did it again. I had to wait 20 minutes for it to start back up again. About 30 minutes later it did it again..

Why does my Jeep Cherokee stall after warm-up?

O.K. Here is the deal I have a 2000 Jeep Cherokee Sport 4×4 automatic that stalls after about 30minutes +/-. This goes back to earlier this year when it became hard to start. Come to findout it was the crankshaft sensor. Replaced and all was good. Then it started to act up again. 3months later.

Why does my car idle at 1500 rpm?

No more stuttering or hesitation in lower gears at 1250 – 1500 rpm. Idles like new. Advise checking electrical connections especially if vehicle lives outside in damp climate. Was this answer helpful? Well after going to the shop and running codes, and testing various things physically.

Can a bad throttle position sensor cause idle surging?

Idle surging can be caused due to other issues in the car, but if it happens in conjunction with other throttle position sensor symptoms, the culprit is often the TPS. At idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surges. 3) Check Engine Light

What causes the Check Engine light to turn off at idle?

At idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surges. The check engine light will randomly turn on and off even if the car is running smoothly without any jerks and stalling.

Why does my Jeep Grand Cherokee start stall idle?

Is this the IAC or possibly the fuel filter.. Its driving me crazy. I have a 1997 Grand Cherokee 5.2L V8. It has a problem running. You can be driving down the road and let your foot off the game and the jeep will just shut right off. If you say pull into a parking spot and let your foot off the gas it will shut off.

Why does my 1989 Jeep Grand Cherokee not start?

I had a good mechanic put a 4.0 Jasper in my 1989 Cherokee. He said it wouldn’t start and he thought the problem was the ECU. He installed an ECU and the Jeep ran fine for about 4000 miles. Then it would start one day but not the next. When it doesn’t start, there is no spark.

What kind of problem does a Jeep Grand Cherokee have?

I have a 1997 Grand Cherokee 5.2L V8. It has a problem running. You can be driving down the road and let your foot off the game and the jeep will just shut right off. If you say pull into a parking spot and let your foot off the gas it will shut off.

Why is my Jeep Cherokee not getting enough air?

If very slight pressure on the gas pedal when stopped smooths things out, you may not be getting enough air. Check the PCV orifice to make sure it is clear and you can also adjust the throttle body plate to stay open a little more when your foot is off the gas. I am having a similar problem, 96 Grand Cherokee, 6cyl, idles slow, and lopes.

Why does my Jeep Cherokee idle rough when the engine idles?

Had the same problem until this morning on my 2001 Grand Cherokee Laredo. Valve cover seal was leaking oil onto the ignition coil which shorted out the #4 coil. The coil is one continuous strip that connects to all your spark plugs. When it warmed up was fine; cold it wasn’t.

How to run rough and rich in a Jeep Wrangler?

5) with one hand near injector 2 and one aound injector 5 pull back with constant pressure making sure not to bend or damage the rail. It should be firmly secured but not too crazy. If its not coming off safely try pulling on each injector individually the only thing holding them on at this point is the lower o-rings.

Why does my Jeep Wrangler have hard start condition?

I did have an issue once before where I changed the fuel pump assembly and the new gasket that came with it was faulty. However, since then, another new pump and gasket have been in the jeep for 3 months and the hard start condition just appeared. I do not have a CEL on.

What’s the cylinder number on a Jeep Grand Cherokee?

Cylinder number 3 misfire, which led to rocker for number 3 cylinder to “pop” off rocker arm!! Owned the truck 2 months and it’s been in for repairs 5 times…Chrysler Corp.

What causes engine to misfire on Jeep Grand Cherokee?

This normally occurs in hot weather after the vehicle has been driven, parked for ten to twenty minutes, and then restarted. Heat from the exhaust vaporizes fuel inside the #3 fuel injector and causes the misfire. Installing an insulator sleeve normally lowers the temperature enough so the fuel will not vaporize. Ready to sell?

What to do if your Jeep Grand Cherokee has no heat?

I have a 1998 Jeep Grand Cherokee Laredo with no heat. This is a bad situation in Minnesota in December. The fan works fine. This vehicle has the simple single temperature control (not the fancy separate driver/passenger). I can make the air even colder by twisting the control.

How did the Jeep Grand Cherokee heater catch on fire?

When the operator activated the directional control valve, oil discharged from the open port, and sprayed up into the rafters, and into the gas heater. Within a few seconds, the heater erupted into a fireball. The victim, along with a number of co-workers, attempted to extinguish the flames with portable fire-extinguishers.

Why does my Jeep Grand Cherokee stall at high idle?

So i have had the same issue

What happens if a coil pack goes bad on a Grand Cherokee?

These packs are fired by the engines computer at exactly the right time to provide the optimal ignition timing. If a coil pack goes bad, it’ll cause a misfire and rough idle condition. Really, your Grand Cherokee will be running rougher at any RPM, but a misfire will be most pronounced at idle.

Why are the spark plugs on my Jeep Grand Cherokee not working?

Spark Plugs – One of the absolute most common causes (if not the most common reason that your Grand Cherokee may be misfiring) is the spark plugs. Although most modern vehicles use iridium spark plugs, they still need to be changed at the manufacturers recommended interval.

What to do if your Jeep Grand Cherokee starts but won’t stay?

18 people found this helpful. If it crank,s and then shut,s off,you have fire,but loosing fuel,tell him to check the fuel filter,and fuel pump,other word,to say if he is old school,is tell him to check for a fuel problem, 25 people found this helpful.

Are there any problems with the Jeep Cherokee?

Although it is one of the most recognizable models on the SUV landscape, the Jeep Cherokee has been plagued through the years by driver complaints about chronic stalling. There are countless instances of Jeep Cherokees stalling while traveling at low speeds or high speeds, driving straight or losing power in the midst of a turn.

What kind of car is a Jeep Grand Cherokee?

It is a 2004 Jeep Grand Cherokee 4×4. Wednesday I get in the car and it starts just fine, drive all the way to work, leave for the day, and as I come to a stop on the freeway it just dies. It wouldn’t restart, so I had it towed.

What are the most common signs of engine misfires?

The most common situation to notice misfires is on high gears, low RPM, and the accelerator to the floor. Rough acceleration is a typical sign that your engine is misfiring.

Can a faulty fuel injector cause an engine to misfire?

A faulty fuel injector will cause your engine to misfire, and these can be pretty difficult to diagnose without flow testing them. Injector problems are not very common on newer cars, and because of this, you want to check out the other possible causes first, but it is absolutely worth checking.

What was the problem with the 2002 Jeep Wrangler misfire?

Ran rougher than before and got a new code P0135 02 Sensor error, P0300, P0304, P0303, P0305, P0306 also noted at idle exaust seems to have a strong puff and chugging noise. Computer Flow Chart/Repair – Cylinders look fine, O2 Sensor heater circuit is no good. some sort of carbon test was done with #3 fuel injector disconnected.

What does rough idle mean on a Jeep Cherokee?

The rough idle is a chug-chug-chug. It reminds me of a 5.0 I had that was only running on 7 cylinders. Ran fine, but idled like crapola! It does not jump all over the tach. Stays pretty steady, but that chug-chug-chug-is really noticeable at the rear end of the jeep.

Why is my Jeep Cherokee rough at a stop light?

Filled radiator with antifreeze, now isn’t running hot, but sitting at a stop light in drive, bad vibration, but in park or driving down the road, nothing. Also, the more coolant I put in the radiator while jeep is running, the rougher it sounds.

Do you touch the idle light on a Jeep Cherokee?

DO NOT TOUCH IT!!!!!! it will make your problems much much worse.. if it is tachin a lil low take some pliers and tweak the piece that comes up against that screw.. also play with the timing.. i think mine is like 13 degrees advanced???

How long has my Jeep Grand Cherokee been having issues?

Anyone who knows me knows I’ve had problems with my 1995 Jeep Grand Cherokee Laredo 4.0 6-cyl for what seems like ages. It’s been having issues (well, one issue in particular) since at least fall of last year. I’ve only owned the car for 5 years now, and I didn’t want to give up on it just yet–most of the time it ran great.

Is the Jeep Grand Cherokee 4.0 6 cyl fixed?

Although I’m withholding final judgement–the beast is fixed! Anyone who knows me knows I’ve had problems with my 1995 Jeep Grand Cherokee Laredo 4.0 6-cyl for what seems like ages. It’s been having issues (well, one issue in particular) since at least fall of last year.

What causes a Chevy Colorado to rough idle?

When one or more of these variables is off it can lead to a rough idling condition. Most of the time the culprit is going to be the ignition system, although there are a myriad of other causes.

What causes a Jeep Grand Cherokee to run rough?

If an oxygen sensor goes bad, it can make your Grand Cherokee run too lean (or rich). A super lean running engine will often idle rough. The fuel injection systems job is to atomize the fuel into fine mist.

Where does running rough and hesitation come from?

Does the running rough and hesitation come in right away or once your jeep is warmed up. The ECM operates on an open loop feeding generic info to the spark and fuel until its warmed up then it will run closed loop and pull data from the bank1 O2 sensor.

What should I do if my Jeep over heats?

If your jeep over heated after all things listed in this form have been checked, have a mechanic check the motor head gaskets to see if they are damaged, air might be leaking out from it. Usually happens if it overheats or overheated in the past and the gaskets got blown or are having pressure come out even a little.

What should I do if my Jeep Cherokee turns off?

Plus i had my motor rebuilt at 2000thou now 242, runs Great just anoying sensors that are starting to act up but repñace crank sensor first check pos wire from start make sure its good not arking i put 4guage on its better Plus put 4guage ground on bat do the crank sensor if u wanna start it up 11 people found this helpful. 1,030

What are the symptoms of a Jeep Cherokee overheating?

If your Cherokee is run for too long of a period while overheating, the head gasket may blow. Bad head gasket symptoms include white smoke coming from the tail pipe, rough idle, and oil in the coolant. Shutting down before it overheats, or as soon as you see that it is overheating will usually prevent this from happening.

What are the problems with a Jeep 4.0?

The 4.0 can also develop clogged fuel injectors. Deposits build up on the injectors and disrupt the flow of fuel. That can cause rough idling, misfires, or engine “stumbling.” Many Jeepers swear by various fuel additives that clean the injectors as you run the engine.

Can a bad MAF sensor cause your acceleration to jerk?

As you may suspect, a faulty Air-fuel mixture caused by a bad MAF sensor can also cause your acceleration to become rough or jerky. This is most often because the air-fuel mixture becomes too lean, so the car engine is “starving” from a lack of food, and this will cause it to jerk.

Why does my Jeep WK2 run at 1300 rpm?

I just had to adjust the way I drive it at certain times. It mainly did it going up hill or at around 40 mph at 1300 rpms. Just like the WK2 guys with the 3.6 engine. They are experiencing something similar with having to adjust the way they drive due to lack if power and not so good tuning.

Why does my Jeep have a pulsing sound?

It also feelsl ike ive been getting less power in higer speeds. The car idles and drives perfectly at slower speeds but on the highway you can really feel the pulses and hear the exact making sounds. The only way to get the pulsing to stop is to give the jeep more gas.

Is there a mass air flow sensor for the Jeep Grand Cherokee?

Whether you’re commuting to work every day or enjoying an off-road weekend, your Jeep Grand Cherokee is up to the challenge. Ensure that any challenge is met with a new mass air flow sensor for Jeep Grand Cherokee from AutoZone and keep your ride running well for the long haul.

What causes a Jeep Grand Cherokee to jerk?

Jerking – As you go down the road, you’ll feel your Grand Cherokee really jerk and hesitate as the engine speed changes erratically. It’s bad for your motor mounts when this happens. Also, jerking can be caused by bad spark plugs or coil packs. Decreased Fuel Mileage – Fuel mileage can suffer without the proper air/fuel mixture.

Why is my Jeep running rough after warm up?

Rough Idle and Running After Warm Up. Rough idle and running after warm up. I’ve got a Jeep Grand Cherokee 4.7 v8 that has suddenly developed a problem that makes the Jeep idle rough and run bad like it is missing or starved of fuel or something.

What are the symptoms of a bad MAF sensor?

Here are the most common symptoms of a bad or failing MAF sensor: Idle Issues – Your Grand Cherokee may run rich or lean when idling, or it may also idle erratically. A rich condition is when there is not enough air relative to the fuel in the air/fuel mixture.

Why does my Jeep Grand Cherokee not start?

For 1996+ Jeeps, the OBD-II engine computer (ECU/PCM) re- boots, and the idle settings are deleted, when you: (1) let the battery run down by leaving the lights or radio on, (2) disconnect the battery for an extended period of time, (3) or when the battery goes bad and needs replacing.

What kind of car starts but wont stay running?

Car Starts but wont stay running……. I have a 1996 Jeep Grand Cherokee. Love it to death. It has a good new charge on the battery, the Cat is new, the plugs are new, exhaust is new. My husband has done a good job with the upkeep of this car for me.

How do you start a Jeep Grand Cherokee?

Use the gas pedal to help the engine start. Immediately go for a 10 minute drive.

How often does my Jeep Grand Cherokee not start?

I own a 2004 Jeep Grand Cherokee, and I have had intermittent starting problems for the past several years. Every once in a while, I get in my car and it just doesn’t start. It was very infrequent for 2-3 years, but recently it’s been happening a few times per month.

Why does my Jeep stall when I start the engine?

If it starts, the fuel pump is the problem. If not, the engine should be checked for spark. It could be a sensor or computer-related problem. To be absolutely sure, raise and support the back of the Jeep on jack stands, unless the height allows you to crawl under the back without raising it.

What causes a Jeep Grand Cherokee to misfire?

If a coil pack goes bad, it’ll cause a misfire and rough idle condition. Really, your Grand Cherokee will be running rougher at any RPM, but a misfire will be most pronounced at idle.

Why does my Jeep Grand Cherokee shake when I idle?

Fouled plugs can cause a misfire, which in turn causes an idle shake. Spark Plugs – One of the absolute most common causes (if not the most common reason that your Grand Cherokee may be shaking) is the spark plugs. Although most modern vehicles use iridium spark plugs, they still need to be changed at the manufacturers recommended interval.

Why does my Jeep Grand Cherokee have a rough idle?

What are common reasons my Jeep Grand Cherokee has a rough idle? While there are a variety of reasons your Jeep Grand Cherokee has a rough idle, the most common 3 are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil.

If a coil pack goes bad, it’ll cause a misfire and rough idle condition. Really, your Grand Cherokee will be running rougher at any RPM, but a misfire will be most pronounced at idle.

What causes a Jeep Grand Cherokee fuel pump to fail?

Normally fuel pumps get really noisy when they are beginning to fail. Due to clogged fuel filters the pump fails soon after. Replace both or get the fuel pressure checked at the fuel rails on the engine. Other possible issues could be crank sensor or intake MAF sensor.

How many times can you turn on the engine on a Jeep Grand Cherokee?

You can (on my jeep at least ) turn the key to the on position 3 times without turning the engine over ( accessory position before it cranks over ) and leave it there on the third turn of key. It will display any error codes on your digital display where your miles are. youtube link https://www.youtube.com/watch?v=LV4-3o1lsN0

Why does my 2011 Jeep Grand Cherokee stall?

My 2011 Jeep Cherokee stared running with a rough idle and it started to die on me stopping at red lights and stop signs had coils and harness changed out, but now it is will still die, with no control of steering or brakes. Not for sure what to think, very dangerest I don’t feel comfortable driving it any more.

Why does my Jeep overheat while sitting idle?

I have a 2004 Jeep Cherokee that keeps overheating. It overheats when I am sitting idle for about 5 minutes with the air running. When I drive, the gauge goes back down quickly. I have replaced thermostat, fan, flushed the radiator system.

Why does my Jeep make a pulsing sound when I idle?

The car idles and drives perfectly at slower speeds but on the highway you can really feel the pulses and hear the exact making sounds. The only way to get the pulsing to stop is to give the jeep more gas. It sounds to me like its a missfire somewhere along the engine due to the fact that the exhaust is making sounds from the pulsing.

Is the Jeep Grand Cherokee a rough idle?

I have a 1988 jeep cherokee n it has a rough idle n a miss. It starts up fine n sometimes the rpms well stay at 3000 rpms. I sometimes have to turn the engine off n back on for the rpms to drop down to abt 1000.

Why does my Jeep Grand Cherokee not accelerate?

If your Jeep Grand Cherokee won’t accelerate, that is a serious cause for concern. There are a lot of different reasons that can cause this. Diagnosing the issue can be narrowed down by whether the engine is still revving when you push the gas or not. There is a section for each scenario with likely causes for each.

Why does my Jeep Grand Cherokee not shift gears?

For example, you may find that you’re only able to drive the car in the automatic transmission’s third gear, only being able to select the other two gears when you shift the transmission manually. The most common cause of transmission problems is the easiest to fix: check the fluid level in the transmission and restore it to the proper levels.

Can a Jeep Grand Cherokee Drive in two gears?

You’re often still able to drive the vehicle, but it only operates in one or two gears. For example, you may find that you’re only able to drive the car in the automatic transmission’s third gear, only being able to select the other two gears when you shift the transmission manually.

It might be the ignition switch, but the Jeep is still driveable. If it was the ignition switch, it would just shut down after a few seconds after starting the engine. I have a 2001 JGC and one day I went to start the Jeep and all the dash board icons were lit up along with all my gauges being dead.

What happens if your Jeep Grand Cherokee is stuck in Park?

The shift linkage on your Grand Cherokee will usually provide a lifetime of dependable service. But, they can go bad. If you are positive that the gear shifter is not stuck in park (see directly above), then it’s likely that the shift linkage may be bad.

What should I do if my Grand Cherokee AC is not working?

Start by inspecting the condition of the cabin air filter on your Grand Cherokee. Instead of changing it directly, it is often recommended to first clean the pollen filter. This can be done, for example, with a vacuum cleaner or a compressed air system, removing at least a large part of the visible dirt particles.

Why does my Jeep Grand Cherokee make a ticking noise?

Second opinion] I have a constant ticking noise coming from under the hood when my 2015 Jeep GC 2wd is idling/running. The more throttle the louder and faster the ticking sound gets. The Jeep just tur… read more camerontech

What causes the idling speed to be too low?

The idling speed is too low causing the problem. Cleaning the IAC and throttle body should have resolved the problem of low idling unless the IAC is not functioning correctly. The ECT is another possible cause of the erratic idling as it is temperature related.

Why does my Jeep Cherokee start then die?

The fuel pressure would shoot to ~31 psi and then as the engine ran for its 20-30 seconds the fuel pressure slowly dropped to 0psi First thought was fuel pump. At this point since I’ve owned my jeep never have done a fuel pump (bought the jeep in 06-07).

Can a bad crankshaft sensor cause engine to run rough?

You will feel, and maybe hear, this as a brief stutter in the engine. You might feel that the engine runs rough or vibrates at idle, say, when you’re sitting at a red light. This is similar to the above in that it stems from poor spark timing. As seen with rough idling, sometimes crankshaft position sensor problems are worse at low engine speeds.

What causes a Jeep Grand Cherokee to idle rough?

Here are the most common problems that would cause a Jeep Grand Cherokee to idle rough: Here are the main components of the ignition system, as well as what would cause them to make your Grand Cherokee idle roughly.

What should the pressure be while running a jeep?

:thumbsup:. We pulled the jeep in and tried to start back up, the engine would run for about 20-30 seconds then slowly sputter and die again. We were stumped. We tested full pressure at the rail, Jeep states that while engine running should maintain 31 psi while running (For a 92 XJ).

What’s the engine rpm on a 2004 Jeep?

Recently started to have this problem…

7 HO. Fast idle on cold start up and takes 5-10 minutes to go back to normal. Outside temps are 100F so engine is not really cold.

What causes high engine rpm when starting a jeep?

A dirty air passage from the IAC can give idle problems. Remove the IAC stepper motor and clean the plunjer and air passage very well. You will have to remove the resonator box for this, because the passage starts at the front of the throttle body.

Why did my Jeep not start in the Cold?

There was no where to plug in my Jeep, so I was stuck leaving it sit out in the cold for 8 hours. I went to remote start it after work, and the lights flashed, but it did not start. I tried this several times, and it did not start.

When to check fuel pressure in a jeep?

Check the fuel pressure after several hours of sitting, like in the morning before you start it or turn the key over. This could be a case of an injector leaking into a cylinder, causing a flooded effect. You could leave the pressure gauge on it over night to check in the morning.

What kind of engine does a Jeep Grand Cherokee have?

From Perth in Australia, we have a 2003 JEEP Grand Cherokee Limited V8 with third of a tank of petrol and the engine cuts out going out of the turn of LH & RH corners.

What’s the price of a 1996 Jeep Grand Cherokee?

1996 Jeep Grand Cherokee 4WD 4.0 Liter 6 Cylinder, Automatic Transmission, 4 Wheel Drive, 4 Wheel ABS Brakes, Power Windows And Door Locks, Air Conditioning, Cruise Control, Towing Package, Stereo CD, Alloy Wheels, Roof Rack, Runs And Drives Great, Only $2995 plus tax, lic, doc, and smog. Clean Title, Over 1/4 mile of vehicles for sale!!!

Is the Jeep Grand Cherokee still a good car?

You can still drive it with many things wrong with it then fix it at your own pace. 280k starts and runs great. and the interior is just as good, leather, heated seats, premium sound, comfortable, I can go on. Was this review helpful? (11) (1) I’ve been a Jeep person for 25 years.

What does idle bogging under load mean on a VAC?

What it sounds like to me is you have a vacuum leak. Idle bogging under load is a pretty common sign of a vac leak. Easy way to test for a vac leak without any gauges is to spray break parts cleaner or carb cleaner all over the motor while its running and when your idle jumps thats the area where your vac leak is at.

Can a car start and idle but not rev up?

When problem came on car was being driven fine when suddenly car simply slowed down, engine still running but only on idle. When first looked at you could start engine fine and the first press of the throttle pedal would rev the engine up ok, but subsequent presses of the pedal did nothing.

Why does my car run rough after warm up?

But, (and here is the problem) once the engine starts to warm up a bit and the temperature needle starts to climb (gauge says 40) the revs suddenly drop off to around 500 from around 800 and the engine starts to tick over rough and run rough. Revving the engine hard doesn’t clear it.

The 4.7 V8 engine also features a modern coil-on-plug ignition system and a hybrid cooling fan system (in-line electric and engine-driven fans). In 2002, Chrysler introduced a “High-Output” version of the 4.7L PowerTech engine as an option for the Jeep Grand Cherokee Limited and standard for the Overland models.

Why does my 1999 Jeep Grand Cherokee have engine problems?

Engine happens anytime engine is running producing large quantities of smoke from tailpipe. The contact owns a 1999 Jeep Grand Cherokee. While driving at approximately 35 mph, the vehicle jerked violently as it decelerated and emitted an abnormal popping sound. The contact mentioned that the engine seized and the vehicle failed to restart.

Why does my Jeep not start when it’s warm?

If its a starter issue it WONT crank, when some part of the starter system is failing or failed it wont turn over. Very different from cranking and not starting. If your getting clicking, you may have a weak battery, poor connection or dying starter (likely one of the prior).

Why does my Jeep not want to start when engine warm?

Jeep has 132000 mi which should not be an issue. I have noticed a few times that a warning saying” Transmission over temp” after turning the keys off. Its very brief and have to pay attention to catch it. There is not check engine light.

Why does my 1999 Jeep Grand Cherokee make a popping sound?

Suspension causes “death wobble” at cruising speeds. Engine happens anytime engine is running producing large quantities of smoke from tailpipe. The contact owns a 1999 Jeep Grand Cherokee. While driving at approximately 35 mph, the vehicle jerked violently as it decelerated and emitted an abnormal popping sound.

What causes an Audi A4 to idle rough?

A super lean running engine will often idle rough. The fuel injection systems job is to atomize the fuel into fine mist. If a fuel injector has an issue with this process, it will either let too much or too little fuel into the combustion chamber relative to the amount of air.

What does rough idle mean on a jeep?

While the Jeep was stopped and idling, for example at the stoplight, we both noticed the engine idling rough, like it wanted to stall out, with the RPM fluctuating between 400-500 RPM (it did dip to as low as 350 on a couple of occassions). No trouble codes were displayed, however.

What was the problem with my 2002 Jeep Wrangler?

Start run, a little rough, but accelerating fine. After 10 of driving 2800 rpm problem returns. Code P0303 back. Drove the Jeep to the store in very cold temps. Ran rougher than before and got a new code P0135 02 Sensor error, P0300, P0304, P0303, P0305, P0306

Is there a no start Jeep Grand Cherokee?

I have a 2000 Jeep Grand Cherokee with a 4.0L with a no start, no spark condition. I also have a fuel and voltage gauge that is NOT reading correctly, however I did do a gauge check, hold in the trip reset and turn the key on and they all worked.

How old is Jeep Cherokee 4.0L engine?

It stalled out twice on Monday. Yesterday, the rpm dropped to less than 200; was going to stall, but it raced up to 1000 rpm and seemed to settle down. The 4.0L is still a baby. The engine only had 10 000 miles on it when I got it and it will be 2 years old next month.

EGR- The EGR system recycles burnt exhaust gasses back into the combustion chamber. Crank/Cam Sensor- When the cam or crank sensors are not being read by the ECM/PCM, it’s impossible to get the ignition timing right. If you Grand Cherokee does start at all, it’ll run rough.

What causes a Jeep Grand Cherokee engine to misfire?

Keeping in mind that any engine needs air, fuel, and spark for ignition, your Jeep Grand Cherokee’s fuel system can often cause the engine to misfire. It can run too lean or rich. Alternatively, there may not be enough fuel for proper combustion, or the fuel isn’t atomizing properly.

Why does my Jeep Grand Cherokee have a flashing check engine light?

If you Grand Cherokee does start at all, it’ll run rough. It could be a more serious mechanical issue, such as as bent valve, bad lifter, etc…. We recommend that you don’t drive your vehicle if at all possible until you diagnose and fix your Grand Cherokee’s flashing check engine light.

When do you start the car, the engine revs?

Car engine revs way up immediately upon starting engine. Q: Car engine revs way up immediately upon starting engine. When starting the engine, it sounds like you have your foot pressed to the floor on the gas pedal as soon as you start it, without even having your foot on the gas.

Why does my car Jerk when I Turn on the engine?

When the air filter has become too dirty, there may not be enough air coming into the engine that can cause the vehicle to jerk because of inefficient combustion of the fuel. Air filters are relatively inexpensive and easy to replace so there’s no need to cheap out on this one.

Why does my Jeep Wrangler not idle down?

When you start it up it revs to 2500 rpms and starts to go higher ,it won’t idle down. Vehicle continues to accelerate for a few seconds after letting off gas pedal. Checked the connection at the throttle and the cable/throttle body is not sticking.

Is there a problem with my Jeep Wrangler?

MY PROBLEM IS THAT THE JEEP CRANKS OVER BUT TAkes a long time to start, sometimes i have to press on the gas pedal to get it to start, It is a 91 wrangler with the ho 4 liter haven’t found the problem yet anyone have any idea’s how to fix this ? my thought was cps ???? Still having this problem….

How to check the Eng light on a Jeep Cherokee?

Spark plugs, Sent all 6 injectors out for cleaning-all100%, cleaned the fuel rail, new air filter, oil lube and filter, Checked compression, pulled the valve cover to check the rockers and stem movement. I’m not familiar with this coil pack. Nothing that I throw at it seems to help. Any help would be tremendously appreciated. Thanks!!

Is the 4.0L engine still a baby?

Yesterday, the rpm dropped to less than 200; was going to stall, but it raced up to 1000 rpm and seemed to settle down. The 4.0L is still a baby. The engine only had 10 000 miles on it when I got it and it will be 2 years old next month.

How many miles does a Jeep Cherokee take to stall?

Jeep Cherokee XJ’s and Cherokee KJ’s with less than 25,000 miles have experienced stalling problems, but most cases seem to involve vehicles with 75,000 miles or more on them, and it is with particular reference to these older vehicles that the PCM is most relevant.

Why does my 2007 Jeep Grand Cherokee shut down?

My 2007 Jeep Grand Cherokee just shuts down while I am driving on the freeway or street with no warning or flashing lights. This is terrifying and dangerous and surprised I have not had an accident yet. Chrysler should recall the front control module and total interpreted power module.

Why does my Jeep Cherokee stall while driving?

A significant number of drivers have reported that not only did their Jeep Cherokees lose engine power while driving, but in nearly all cases, stalling occurred without any warning and with no indicator lights on the instrument panel.

Where did my 2007 Jeep Grand Cherokee stall?

I’ve had problems with my 2007 Jeep Grand Cherokee stalling at stop sign, but now this weekend on an out of town road trip it stalled out on me 5 times while traveling interstate 81 to up state New York.

Is the warm engine undriveable when cold?

This time it started with an idle around 1500rpm, slowly dropped to 1k, then quickly cycled back up to 1500. It did this for a minute or two, then dropped down to the rough idle, which seems to run between 500-800, kind of hunting around. Is there a key sequence that is used to help it learn? The car is undriveable when warm.

Is there a problem with rough idle when warm up?

So, once there’re visible signs of rough idling, trouableshoot the problem without causing any further delay. As reported by Car From Japan experts, most Makes getting this engine rough idle after warm up are: Though the problem is not common but drivers of the Makes had their car serviced at garages for Rough Idle When Warm.

What makes the Jeep Grand Cherokee an off road vehicle?

Here are the most notable features of the Jeep Grand Cherokee that makes it one of the most capable off-road vehicles: 1. Quadra-Lift Air Suspension System Jeep Grand Cherokee trims that have the Quadra-Lift Air Suspension system are Overland, Summit, Limited, and Trailhawk.

Is the Jeep Grand Cherokee a good car?

Undoubtedly, the Jeep Grand Cherokee units, especially the Trailhawk and other 4WDs, allow you to drive easily and safely on different terrains and during several weather conditions. Comfort while driving both on- and off-road won’t be a problem, as well, since the units have good infotainment systems, comfortable leather seats, and more.

What kind of suspension does a Jeep Grand Cherokee have?

Quadra-Lift Air Suspension System Jeep Grand Cherokee trims that have the Quadra-Lift Air Suspension system are Overland, Summit, Limited, and Trailhawk. This system replaces the traditional wheel coil springs with air springs, which automatically lower and raise the suspension, depending on your currently selected driving mode.

Why is my Jeep Grand Cherokee running rough?

Really, your Grand Cherokee will be running rougher at any RPM, but a misfire will be most pronounced at idle. Spark Plug Wires – While not every model and engine combination of vehicles today comes with spark plug wires (a lot are now coil on plug), if your Grand Cherokee happens to have them, they can go bad and cause a rough idle.

What should I do about my Jeep Grand Cherokee stalling?

Previously I changed the O2 sensors and throttle positioning sensor on my 2004 to fix idle issues. 2 years later having idle issues again the vehicle wants to idle at 1500 – 2000 RPM. Should I replace fuel filter and fuel pump? 21 people found this helpful.

I’ve got an 03 GC 4.0 i6 and twice in the last 2 weeks it has stalled while idling. First time was while stopped at a light and second time was last night in my driveway maybe 30 seconds after I started it and put it in drive to pull into garage.

Overall the 2000 jeep grand cherokee laredo 4.0 2wd is very good, asl long as there are routine maintenance. After 175miles i use 5 qrts of20/50 oil with lucas oil, however i now receive a maintenance beeping sound without a readout in the cosole or engine light, normally it would display the problem…any ideas out there why/

Why does my Jeep Wrangler not run at 3

What kind of engine does a Jeep Cherokee have?

190 ruben1226 answered 5 years ago Ruben from Tampa FL I have Cherokee sport 2000 4×4 4.0L run gray bat when engine its on normal temperature turn of so 1 hour later staring back replace can sensor and crank sensor if you can help me to repair thank 19 people found this helpful.

Why does my Jeep WK2 surge while driving?

It mainly did it going up hill or at around 40 mph at 1300 rpms. Just like the WK2 guys with the 3.6 engine. They are experiencing something similar with having to adjust the way they drive due to lack if power and not so good tuning. It’s going to surge/buck regardless what you do because of lack of power and tunning.

What’s the problem with my 1999 Jeep Wrangler?

Well…found out what the problem is. I finally took my 1999 TJ to a Jeep Dealership, and after a few times taking it to them, because it would never act up. It was determined that the valve springs are sticking, which according to them, that would explain the hesitation and rough idling.

Why does my Jeep Wrangler have continued hesitation?

It was determined that the valve springs are sticking, which according to them, that would explain the hesitation and rough idling. So…they went ahead and treated the upper engine with a high quality type of solvent. They had the ending running and pour this solvent into the engine until it completely died. They let it sit for about 4 hours.

How to test fuel pump in Jeep Cherokee?

Use a circuit tester and test the harness side for power as your helper turns the key on and off. Remember that there will be power for only 2 seconds, so have your helper cycle the key on and off as you check the terminals, allowing 5 seconds between cycling for the computer to reset.

From Perth in Australia, we have a 2003 JEEP Grand Cherokee Limited V8 with third of a tank of petrol and the engine cuts out going out of the turn of LH & RH corners.

What causes engine to run rough after warm up?

Most likely, the causes of rough engine idle crops from the basic functional components like direct fuel injectors, PCV valve, EGR valve, Oxygen sensors, vacuum leaks, air filter, and spark plugs or wire. Now, let’s fix the issue when engine runs rough after warm up in sequence and later troubleshoot the actual cause of it. 1.

How many miles does a 2002 Jeep Grand Cherokee have?

I have a 2002 Grand Cherokee with 67k miles and black leather interior. The interior looks as good as the day that I bought it. Even though I do not garage it due to clutter, the insides look fabulous! Even though repairs can be costly, they are few and far between. These cars are not smooth riding, but they are solid and comfortable.

Small vacuum hose under the battery needs to be replaced to get the cruise control working again, replacing the struts on the tailgate window Will take about 10 minutes and cost 15 bucks etc etc. Really great truck for the money. The only drawback is that my 4 liter inline 6 is guzzling gas like a plebe at a kegger. Does recommend this car!!

How did the Jeep Grand Cherokee get its name?

There’s little doubt about the power of the Jeep name. During World War II, foreign correspondent Ernie Pyle described the U.S. Army vehicle as being “faithful as a dog, as strong as a mule and as agile as a goat.”

Are there any problems with the Jeep 4.7 engine?

For many years, 4.7 engines have been able to provide excellent satisfaction to a large number of users. However, not all that glitters are gold. In this case, we will refer to the most common Jeep 4.7 engine problems that are usually suffered. Our goal here is not to focus on the Jeep criticism.

Why is my Jeep engine not working properly?

Here there is a very common problem that hinders the power output. In general, this is a well-known problem for Jeep users. Here we can detect that the performance of the engine decreases considerably. At the same time, the oil used inside the engine becomes too thick.

What are the most common 4.7 engine problems?

However, not all that glitters are gold. In this case, we will refer to the most common Jeep 4.7 engine problems that are usually suffered. Our goal here is not to focus on the Jeep criticism. Beyond this, we will try to provide the best information to find effective solutions.

What causes death wobble on a Jeep Cherokee?

Jack up one of your Jeep’s front wheels and grasp the tire at the 12- and 6-o’clock position, then wiggle the tire. If you feel movement, then you most likely have a worn wheel bearing. Check the other side as well. One other thing to check which can also have an impact on death wobble is your tires.

What causes check engine light on Jeep Grand Cherokee?

Heat from the exhaust vaporizes fuel inside the #3 fuel injector and causes the misfire. Installing an insulator sleeve normally lowers the temperature enough so the fuel will not vaporize. The average cost for a Jeep Grand Cherokee Check Engine Light Diagnosis & Testing is between $88 -$111. Learn More

Are there any misfires in my Jeep Cherokee?

Misfires in #1, 2 & 3 cylinder. I replaced the Coil Pack & all spark plugs with genu… HI, I have a 2000, Jeep Cherokee 4.0L. The check engine light, keeps coming on, and the scan tool, shows P0300, P0301, P0302, P0303. Misfires in #1, 2 & 3 cylinder.

What’s the Check Engine light on my Jeep Cherokee?

HI, I have a 2000, Jeep Cherokee 4.0L. The check engine light, keeps coming on, and the scan tool, shows P0300, P0301, P0302, P0303. Misfires in #1, 2 & 3 cylinder. I replaced the Coil Pack & all spark plugs with genuine jeep parts from the dealer. Can you, suggest what might be wrong or other things to check? – Thanks Tom Tester

What happens when I put the car in reverse?

Put the car in reverse holding the brake the car stalls, if I go into neutral or drive it works fine. If I put the car in reverse not holding the brake it shifts rough but doesn’t stall. I have not driven the car at speeds higher than 35mph, so not sure of the other gears.

What’s the noise when you put a jeep in Park?

So when I back up, stop, put the jeep in park I hear a pop/ bang noise. Any ideas? T case / driveshaft slop. How loud is the bang/pop?

What happens when the reverse goes out in a Jeep Grand Cherokee?

reverse went out without any warning, all other gears work perfectly fine. i can feel it shift into reverse but no movement at all. 2004 grand cherokee, automatice, all forward gears work fine, no reverse. Check your transmission fluid level. Make sure its full and red like cherry kool-aid. If its low fill to the proper level.

When to reset the Immobilizer on a Jeep Grand Cherokee?

The system is activated when something other than an authorized key is used to try to start the engine. Most models are also equipped with an alarm system as part of the security system. If something triggers the immobilizer or the alarm system, you need to reset and rearm the system.

How do you turn off the alarm on a jeep?

Press the power door-lock switch on the keyless entry fob. Close the driver’s side door. Leave all doors closed for about 16 seconds until the Vehicle Security Light on the instrument cluster stops flashing quickly. When the light flashes at a slower rate, this signifies that the system has been reset and rearmed.

What are the problems with a 2000 Jeep Grand Cherokee?

1 Engine Stalls/Shuts Down While Driving 2000 Grand Cherokee Average Cost to Fix: $1,000 Average Mileage: 153,000 mi 2 Engine Failure 2000 Grand Cherokee Average Cost to Fix: $1,200 Average Mileage: 150,000 mi 3 Brakes Pulsate 2000 Grand Cherokee

Why is my Jeep Grand Cherokee not shifting?

Matthew Wright has been a freelance writer and editor for over 10 years and an automotive repair professional for three decades specializing in European vintage vehicles. There is a common issue with shifting on a number of Jeep Grand Cherokee models as they age and their mileage increases.

When did the Jeep Grand Cherokee come out?

According to the data, it appears that the early 2000 models have been the most problematic. The Grand Cherokee came out in 1993 as a successor to the smaller Cherokee XJ.

What to do if your Jeep Grand Cherokee starts?

If it crank,s and then shut,s off,you have fire,but loosing fuel,tell him to check the fuel filter,and fuel pump,other word,to say if he is old school,is tell him to check for a fuel problem, 25 people found this helpful. May even be as simple as the fuel relay.

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