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 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 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 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).

What causes rough idle on Jeep Grand Cherokee?

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. Here’s a great video on how to diagnose bad plug wires with a multimeter.

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 stall at stop lights?

In the morning when I crank, it sounds like it barely is staying on. The idle is very rough. When I put in drive, it “miss fires” for a second or two then takes off. At stop lights, etc. it will stall on me. What could be the problem? I’ve read on here, possibly IAC, fuel pump, spark plugs. I don’t want a new car, just some reassured confidence.

How do you start a Jeep Grand Cherokee?

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

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.

How can I tell if my idle control valve is working?

To check if an idle control valve is working properly, start by turning on your engine and letting it run for a minute or 2. Then, when it’s at an idling speed, take note of the RPMs in your car. Next, turn the engine off and disconnect the idle control motor under your hood.

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’s the problem with my Jeep Grand Cherokee?

Please help very long experience in my Grand Jeep Cherokee model 2005 Problem, after long or short run i will shut off , then few minutes i will started but after about 5 seconds it shut off and we need to standby almost 8 hours to start again, please help me to solve this problem , Im here now in Saudi Arabia but I m no is the Pilipino. Thanks

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 if my Jeep is stalling?

Here’s what we are going to do to test it. When the engine is shutdown, the IAC valve should be parked in a position that will allow a large volume of air to enter the engine. I WANT YOU TO TURN THE IGNITION OFF AND UNPLUG THE IAC VALVE. When we restart the engine , the engine should be revving at a very fast idle.

What causes a truck to stall at idle RPMs?

If you like, we can try to do a few tests to isolate the cause of the problem. Your truck uses a device called an IAC valve to control idle speed. Base idle is determined by the amount of air that gets around the closed throttle plates. The computer opens the iac valve to admit more air as necessary to raise the engine rpm.

Can a bad air control valve cause an engine to stall?

Sometimes the engine stalling will happen on its own while other times, increasing the load on the engine will cause it to stall. For example, if you turn on your heater or air conditioner when you have a bad idle air control valve, then your engine will probably stall immediately afterward.

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

There are physical signs that you can feel when your Grand Cherokee’s fuel pump is going out. Before taking anything apart, check to see if your engine’s computer has any trouble codes saved in it. The engine may throw a P0087 trouble code. This trouble code detects that the fuel rail/system pressure is too low.

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.

Can a Jeep Grand Cherokee Run without gas?

Without gas your Grand Cherokee will not run at all. With that in mind, most of the symptoms of a bad fuel pump revolve around the vehicle stalling out or not running at all. In modern fuel injected vehicles, the fuel pump sits right in the fuel tank and “pushes” the gasoline to the fuel rail (s).

What are the symptoms of a bad fuel pump?

Jeep Grand Cherokee Bad Fuel Pump Symptoms. 1 Whining Noise. One of the most common signs that a fuel pump is going bad is a whining sound. The whining sound can indicate that the fuel pump is 2 Sputtering Under Acceleration. 3 Challenges Starting the Engine. 4 Engine Won’t Start.

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 engine stop?

THE ENGINE WILL STOP WITHOUT WARNING, GAUGES DON’T REGISTER BUT THE ENGINE WILL CRANK OVER WITHOUT STARTING. THIS HAS HAPPENED NUMEROUS TIMES. I DISCOVERED IT INITIALLY AT A DEALER PARKING LOT. IT CLEARED OVERNIGHT AND I COULD START IT.

What kind of engine does a Jeep Grand Cherokee have?

My1999 V8 Jeep Grand Cherokee limited – stalls and stops under any condition, whether I am driving on the highway at high speeds 65 mph or stopped and idling in heavy traffic. This is alarming and dangerous as I was nearly rear ended, when the engine just shut off.

When did the Jeep Grand Cherokee come out?

The assumption is that this is a problem on all Jeep Grand Cherokees in the model year range of 1995 to 2001.

How long does it take for a Jeep Grand Cherokee to stall?

The Jeep is now stalling after approx. 25 minutes of driving. It may or may not start back up after a short rest. Sometimes it starts the next day. The engine was scanned for trouble codes.

Why does my Jeep Grand Cherokee surge to 2000 rpm?

I have a 2000 Jeep grand cherokee and it seems to always roar to 2000 rpm at startup, then sometimes the idle comes down to normal. But most of the time it will surge, untill i kick it down. It seems to do it more in the summer rather than the winter, but i think it may be coincidence.

When did my 1997 Jeep Grand Cherokee start stalling?

So i bought this care a little under 2 years ago. ran like a friggin champ for a year. then the elusive stalling started. its a 97 jeep gc laredo v6. when the problem started it had around 170000 miles on it.

Can a Jeep Grand Cherokee stall while driving?

I can be driving and all the sudden, the Jeep starts to stall by shaking so I need to pull over before the car stalls and no power to the steering wheel… it usually takes about 3 tries to turn over the engine to make it go…

Can a bad idle control valve cause stalling?

3. Engine stalling The idle control valve, also commonly referred to as the idle air control valve, is an engine management component that is found in one form or another on the majority of road going vehicles.

What causes a hard cold start on a jeep?

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. The pressure should hold most if not all of the pressure, even for that amount of time.

Is there a problem with my Jeep Grand Cherokee?

Very often, this will solve the problem. But Jeep Grand Cherokees seem especially prone to more serious transmission problems, and some owners are quite vexed at their inability to determine the causes.

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.

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.

Can a Jeep Cherokee stall at high speeds?

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. While certainly frustrating, these stalls can also have serious consequences.

What are the diagnostic codes for a Jeep Grand Cherokee?

Oxygen sensor voltage too low, tested after cold start. (Upstream or Downstream) Left oxygen sensor input voltage maintained above the normal operating temperature. Engine coolant temperature sensor above or below acceptable voltage. Intake air temperature sensor input above or below acceptable voltage..

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.

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.

Why does my Jeep Grand Cherokee start slow?

My 96 grand cherokee is doing similar. Idles slow, lopes, checked, no vaccum leaks, CCV valve is clear, and hose has good suction. Does smooth out when I press the accelator and bring it above 750 rpms. However, no check engine light. Is this the IAC or possibly the fuel filter.. Its driving me crazy. I have a 1997 Grand Cherokee 5.2L V8.

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 Jeep Grand Cherokee shut off?

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.

What are the symptoms of a bad fuel pump in a Jeep Grand Cherokee?

Here are the most common symptoms of a bad fuel pump in your Jeep Grand Cherokee: One of the most common signs that a fuel pump is going bad is a whining sound. The whining sound can indicate that the fuel pump is going out before there are any performance based issues.

What to do if your Jeep Wrangler is stalling?

You ignore a bad OPDA at your own peril, since failure to replace this relatively inexpensive component will result in lack of sufficient lubrication and eventually catastrophic engine failure. The repair is a DIY repair for any hands-on type of person without the need for any special tools.

What causes a car to run at a rough idle?

A PCV valve leak can cause the air-fuel mixture to run too lean, and this will cause a rough idle. Proper periodic servicing of the PCV valve will prevent this situation from occurring.

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 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.

What causes a Jeep Grand Cherokee to stall?

A vacuum leak will cause stalling and rough running, but not when you are giving it the gas. Another thought. If very slight pressure on the gas pedal when stopped smooths things out, you may not be getting enough air.

What does the Check Engine light on a Jeep Grand Cherokee mean?

The check engine light gives a code ( signal loss from cps and ckps) can’t accelerate without backfire and missing. Sometimes when crossing r/r tracks the engine will die it starts back up after you wiggle the 3 main connectors. See all problems of the 2004 Jeep Grand Cherokee . Tl the contact owns a 2011 Jeep Grand Cherokee.

Are there any problems with the Jeep Grand Cherokee?

Jeep Grand Cherokee owners have reported 139 problems related to check engine light on (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Jeep Grand Cherokee based on all problems reported for the Grand Cherokee.

Why does my Jeep stall at stop lights?

The jeep will stall and she will have no electrical power. Another possibly related problem is that sometimes the vehicle will shutter at low speeds or when stopped at a stop light or something. She has had it in the shop five or six times, and they have replaced several things, but to no avail.

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.

Where is cylinder 6 on a Jeep Grand Cherokee?

An important thing to understand when finding the location of Cylinder 6 is that it’s going to be the sixth cylinder in the firing order. It won’t be the sixth cylinder that you might see when looking at the engine. The P0306 trouble code will trigger the Grand Cherokee’s service engine soon light. The vehicle itself may begin to run rough.

What happens if you misfire the cylinder 6 on a Grand Cherokee?

It also can cost money to ignore it, since driving with a misfire can damage the Grand Cherokee’s catalytic converter. The engine is also not firing all of the fuel, so raw fuel is also passing through Cylinder 6 into the exhaust. Mileage may suffer as well when your Grand Cherokee has P0306 as well.

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.

What kind of acceleration does a Jeep Cherokee have?

Jeep Cherokee: starts fine..pedal..it wont accelerate past 30 or rev… 2008 jeep grand cherokee laredo. just changed rear end. Howl is gone but can’t accelerate over 38 mph with gas pedal floored. check engine light … read more Grand Cherokee: I have a 1999 Grand Cherokee Limited.

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.

Why does my car stall after a few miles?

When a bad module is responsible for an intermittent stalling problem, the engine will usually cold start just fine and run OK for short distances, but stalls after driving more than a few miles or when driving at highway speeds (especially during hot weather). It’s as if somebody suddenly turned off the ignition.

Can a stalling engine be intermittent driveability?

Intermittent driveability problems of any kind are always a challenge to diagnose. When a customer brings you a vehicle and complains of a stalling problem, you may not have much to go on other than their description of what’s happening and when it happens.

What causes a Pontiac Grand Prix to stall?

Stalling Due to Mass Air Flow or Crankshaft Position Sensor Failure on Pontiac Grand Prix. Problem Description. The mass air flow or crankshaft position sensor may fail causing the engine to intermittently stall. It may be necessary for the engine to cool down before it will restart.

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