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.

Where is the idle air passage on a jeep?

Hi Nuttyjeep, when you remove the resonator box from the throttle body, you can see the idle air passage on the lower side of the throttle body just below the throttle blade. When you remove the IAC motor (again), you can clean the air passage on both sides from the control opening.

What causes a rough idle on a 4.7 Ho?

He also mentioned that bad O2 sensors can cause a rough idle, but he said bad O2 sensors would not cause the engine to idle as roughly as it did. He also noted that he had to clean the injectors while the top end was apart since there were gummy deposits on them. FYI, all the injectors and both fuels rails were replaced last December.

Can a bad spark plug cause a rough idle?

I find both hard to believe since the spark plugs are brand new (OEM-spec Champion Platinum plugs) which I’ve always used and I can’t see the ignition coil (s) going bad suddenly. He also mentioned that bad O2 sensors can cause a rough idle, but he said bad O2 sensors would not cause the engine to idle as roughly as it did.

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.

Why does my Jeep Grand Cherokee stall at high idle?

So i have had the same issue

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.

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.

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 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.

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.

Why does my Jeep Grand Cherokee stop running?

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. Sometimes you can’t even go out there and turn it on and have it stay running unless you keep your foot on the gas.

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.

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 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.

What to do if your Jeep has HIGH idle?

You really need a DRBIII to correctly relearn the IAC. Additionally, you may want to remove the throttle body and remove the IAC rom it. Check the passage for a carbon build up. I would clean the T-body and the passage for the IAC, as wel as the pintle for the IAC plunger.

What does a fuse do on a Jeep Grand Cherokee?

Fuse box diagram (fuse layout), location, and assignment of fuses and relays Jeep Grand Cherokee (WJ) (1999, 2000, 2001, 2002, 2003, 2004, 2005). A fuse is an element for protecting the electrical system. A fuse will trip (i.e. it will blow) in the event of a failure or improper interventions in the electrical system.

What are the most common problems with Jeep Grand Cherokee?

The 4th generation seems to have the most complaints, specifically the 2011 model. It was the first year of the new generation with about 623 complaints on the NHTSA for electronics. The culprit for the electronics failing was the result of the vehicle’s TIPM or Totally Integrated Power Module.

How much does it cost to repair a Jeep Grand Cherokee?

If you do end up having to service the vehicle, the average repair cost for owning a Jeep Grand Cherokee is about $694. This number will depend on where you get your car serviced as well. It is a bit high in comparison to other vehicles in its class but the parts and technology are better quality.

When does the leather go bad on a Jeep Grand Cherokee?

They report that around 45,000 to 50,000 miles, the leather will start to delaminate from the panel, giving the dashboard an appearance of wrinkles and bubbles. The warped leather only got worse over time and the cost of replacing the dashboard is about $1100 without the labor.

Is the Jeep Grand Cherokee a good car?

SUVs make a great option for personal transportation. They tend to be safer, capable of towing, usually have a 4 wheel drive option for inclement weather or road conditions, and provide more passenger space than a truck. Among the many mid size SUV options to choose, the Jeep Grand Cherokee is a popular choice.

When to reset the Jeep Grand Cherokee service required?

Contemporary vehicles come with more flashing lights than a cop car. Low fuel warnings, tire pressure monitors and service-required messages. The Jeep Grand Cherokee limits the service-required message to indicate the routine maintenance needs of the vehicle. The light needs to be manually reset when the indicator turns on.

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.

What’s the price of a 2001 Jeep Laredo?

Decent around-town comfort combined with dirt-track-worthy underpinnings have helped it maintain its place in the hearts of loyal customers. Two trim levels are available, Laredo and Limited. Retail prices: Laredo 2WD ($27,300); Laredo 4WD ($29,270); Limited 2WD ($32,665) Limited 4WD ($35,095).

What kind of features does a Jeep Laredo have?

Both trim levels offer a long list of standard features, including air conditioning, anti-lock brakes, power windows, doors and mirrors, and cruise control. For 2001, Laredo gets an appearance package that includes leather seats, fog lamps and 17-inch alloy wheels.

How big is the cargo area in a Jeep Laredo?

Interior Front head room 40 ” Rear leg room 35.3 ” Luggage capacity 39.0 cu.ft. Maximum cargo capacity 72.3 cu.ft. Standard seating 5

Why does my Jeep WK2 run at 1300 rpm?

What’s the performance of a Jeep Liberty CRD?

Starts easy, when cold idles at 1300-1400rpm as engine warms up 1-2minutes rpms start … read more Vocational, Technical or Tra… I have a 00′ Wrangler Sport. When I started it will not stay running unless I have my foot on the throttle. The second I take my foot off it dies. Is … read more Vocational, Technical or Tra…

What does cylinder 4 on a Jeep Grand Cherokee mean?

The engine is also not firing all of the fuel, so raw fuel is also passing through Cylinder 4 into the exhaust. Mileage may suffer as well when your Grand Cherokee has P0304 as well. P0304 is a cylinder specific misfire code, which means that Cylinder 4 is misfiring and causing the code.

What is the misfire code on a Jeep Grand Cherokee?

Jeep Grand Cherokee P0304 Definition P0304 is a cylinder specific misfire code, which means that Cylinder 4 is misfiring and causing the code.

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.

Jeep Grand Cherokee P0304 Definition P0304 is a cylinder specific misfire code, which means that Cylinder 4 is misfiring and causing the code.

What should I do about my Jeep Grand Cherokee stalling?

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 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.

Why does my Jeep Cherokee Run rough when starting up?

At first I thought maybe I got some bad gas. But doesn’t seem that way. It runs rough when is around a quarter of a tank. It also tries to quit on me on starting up when running errands in town. I have become a two footer diver on those occasions.

What causes a Jeep Grand Cherokee fuel pump to fail?

Why does my Jeep Grand Cherokee keep stalling?

Jeep 2000 Cherokee kept stalling and just simply cutting out while I was driving. Changed out the PCM for about $170. It was super easy to install. Dealers and mechanics will tell you $1,500. Pure rip-off.

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 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 Cherokee battery keep dying?

The lift gate latch will not lock. It is a safety concern because I’m having to drive it while the rear gate is not secured. My battery died because the warning light for the lift gate would not go off. When this first happened the car was running but in park.

What are the problems with the Jeep Cherokee?

After jump, the engine clunked and run but flashing all interior light and several warnings such as ,electronic stability control,service 4wd,power brake on dashboard. When I tried to pull out a car from garage and shifted the gear to the rear,”the service transmission restart in park with vehicle at zero speed ‘ displayed and engine stopped again.

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 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.

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.

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.

What causes my Jeep to stall at idle RPM’s?

TWO HOURS LATER WENT OUT FOR A TRIP TO GROCERY STORE, 3 BLOCKS FROM HOME, STALLED AT STOP SIGN, WAS DIFFICULT TO START AGAIN. STALLED TWO MORE TIMES BEFORE GETTING TO THE GROCERY STORE.

Why does my Jeep Cherokee keep stalling?

While certainly frustrating, these stalls can also have serious consequences. Here is why your Jeep Cherokee keeps stalling: Many stalling problems can be attributed to the PCM or crankshaft sensor and there are steps you can take to fix these issues yourself or at the very least point your mechanic in the right direction

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.

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.

When did the stalling problem start in my car?

Most stalling problems pertain to model years starting from the mid-1990s all the way to recent model years, and have occurred with virtually every trim level.

What kind of engine does a Jeep Grand Cherokee have?

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.

How many miles does a 2001 Jeep Grand Cherokee have?

I bought my 2001 Grand Cherokee Limited used. It had about 18,000 miles on it. It is a beast. V-8, 4.7L engine with a tow package. It can climb any hill in any heat without a problem. It has 138,000 miles on it now and is starting to show some signs of aging.

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.

How big is the ground clearance on a Jeep Grand Cherokee?

While going off-road may not be something you’ve considered doing with your just-purchased luxury vehicle, remember that this is a Jeep, the original 4×4, and it hasn’t lost any of its go-anywhere war heritage. Its petite dimensions allow it to squeeze through tight corners, and its high 8.7-inch ground clearance makes rock climbing a breeze.

How do you start a Jeep Grand Cherokee?

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

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.

Why does my Jeep Grand Cherokee crank no start?

That you have 5V at the crank sensor, shows that there is no short in one of the sensors. The 4.0 has a common problem with shorting wire where it runs around the cylinder head, but i never heard of a buzzing ASD relay in such a case.

Is the Jeep Grand Cherokee running out of gas?

I hace a 6 cylinder 2004 Jeep Grand Cherokee with 140k miles on it. I’ve had it for 5+ years with no major issues and have kept up the maintenance pretty well. Last month when out of town, my husband was driving my car and told me it felt like it “sputtering as if it were running out of gas”. The problem has persisted, but only occurs randomly.

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.

Why does my Jeep WK2 surge while driving?

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.

When did the Jeep Cherokee XJ come out?

The Jeep Cherokee (XJ) is a compact SUV that was manufactured and marketed by Jeep from 1997 to 2001. Sharing the name of the original full-size SJ model, but without a traditional body-on-frame chassis, the XJ instead featured a light-weight unibody design. Idle problem remains a odd frustrating headache after much work.

What kind of engine does a Jeep Grand Cherokee have?

When does a car have a rough idle?

November 27, 2017. It’s easy to tell when your car has a rough idle: When you start the engine, it won’t run at a steady rate. It may almost stall, or it may run at varying RPMs without your putting your foot on the gas, or it may do both.

What does black smoke do to an engine?

Melted engine coolant temperature sensor. Black smoke means increased exhaust temperature and particulates. This can have a negative effect on particular parts of the exhaust system such as the catalytic converter. Over possessing fuel will cause the catalytic converter to overheat and break apart clogging the exit port.

What’s the trouble code for a Jeep Grand Cherokee?

I have a 2001 Jeep Grand Cherokee 4.7 120,000 miles.Was running fine,idled a little low.one day went to start and idles very rough and stalls.Getting codes p0202,p0175,p300,p301,p302.swapped coils on 1 and 2 (cleared codes first) and still idles rough but now not throwing any codes?… Need help.

What to do if your engine has black smoke coming from the tailpipe?

By removing each cylinder spark plug and checking their condition (black or wet with fuel) you can identify the afflicted cylinders. Once completed remove the injector (s) for a physical and ohms test across the coil. Remove the EGR to check valve operation. When this valve is not in operation it should remain closed.

Why does my engine run rough at idle?

This can also have a result on the muffler system again vastly restricting the exit performance of exhaust gases (engine). Excess carbon build up can cause the EGR valve to stick open allowing intake pressures to drop and the engine to stall at idle and run rough.

What kind of engine does a jeep 4.6 have?

That’s only for the 4.6 and 5.7 Edit: Let me just say mine is going to buck/surge regardless what I did. 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.

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