Question about 1991 Jeep Cherokee Briarwood

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It ran fine till they messed with it they also put a differant gas cap on said it didnt pass emitions with the original one on

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Michael Patton

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  • 156 Answers

Might have vapor lock get original cap back might need a vented cap

Posted on Nov 08, 2012


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SOURCE: I put my jeep in reverse and it stalls. When i put it in drive it

check your plug wires and it wouldnt urt to check the distibutor car and rotor

Posted on Oct 05, 2009


Richard Scordino

  • 6982 Answers

SOURCE: 1999 Jeep Grand Cherokee stalls immediately after

check intake manifold air temp sensor and engine coolant may be out of range but not enough to turn on dash light. tests and specs can be found in chiltons or haynes, test is done with digital multi-meter.

Posted on Jan 06, 2010



  • 19396 Answers

SOURCE: I was driving and i

Hi ST.

Problems that occurr and disappear erratically are often caused by bad wiring.

In your case, if problem is stalling when idling and during startup, parts that are likely involved are those determining the balance of fuel/air mixture.

This kind of symptoms are commonly caused by weak wiring to MAP/MAF sensor (MAP on the 97 engine). This often results in error code stored.
If problem is only at cold, check IAT (idle air temp) sensor, also located in the air intake, check the idle air control valve.

Check crank sensor wiring harness. This is also common cause for the problem.

Check wiring to injectors and high voltage wires from distribution to spark plug. If any of these is the problem, then you will get a misfire code stored in ECM (main computer module).

If the car also drives very rough and is revving up and down in a weird way, check the EGR valve.

The fuel pump wiring may also be responsible. In that case you will get a lean mixture code if you do an error scan.

The two connectors to ECU must be tested, just in case. If instrument panel comes on and if there is no additional problem, this are hardly related to the problem.

If wiring is OK, check the vacuum system and try cranking with gas tank cap off. Vacuum system is tested using an hand tool gauge onvacuum lines while spraying card cleaner on the hoses (or heating them with a torch). If there is a leak, pressure will go up. A big leak will also do hissing noise, and will often result in a lean code when doing an OBD code scanning.

As first thing I would do a code scanning. This car is OBDII. The scan can be done for free at the nearest Autozone, or for a small fee at any garage.

If you get any OBDII code from the scan, report it here, so that we can isolate further the possible reason for the problem.



Posted on Oct 16, 2010

Richard Scordino

  • 6982 Answers

SOURCE: My 1996 Jeep Grand Cherokee

You have two unrelated problems. the power loss can be from a variety of things. What you first need to do with that is have a scan done (many parts stores do that free)...then if you have codes stored, you at least have some direction to go in with that.
The shaking is called death wobble and also has many causes. The most common are bad ball joints or tires that are worn sufficiently so as to not have enough foreward momentum to not react to side loading from bumps. The same tire can still generally pass inspection but is no longer useful on your vehicle (usually with around two thirty seconds of remaining tread measured at the wear bars). Any wear in any of the front end steering components or bushings can also cause wobble...sometimes it is a cumulative effect of slight wear in several places totaling an unacceptable amount of overall play. If you just had brake work or new tires installed, sometimes improper torquing of the wheels can also cause that. If you don't see anything obvious have an experienced jeep tech look at it. It can be dangerous and is nothing to ignore or wait on.

Posted on Nov 10, 2010


Richard Hale

  • 4399 Answers

SOURCE: 1996 jeep grand cherokee stalls when i put it in

Try looking at your air filter. You could have a vacuum leak, like you already said. Also, check your coolant sensor and intake air temp sensor, if equipped.

Posted on Jan 13, 2011

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