Question about 2003 Jeep Grand Cherokee
My wifes jeep grand cherokee stalls on her as she is driving. the tach dottoms out and the jeep stalls.
Posted by Anonymous on
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Posted on Jan 02, 2017
Best thing to check is your fuel filter. After sitting for a little while, it will allow fuel through it but when you put a demand on the system, it cant supply enough and will sputter and die. Its easy to replace and very inexpensive. If it continues after that, you will at least know it was eliminated and can move from there.
Posted on Aug 24, 2008
I don't think the PCM is your problem, is the check engine light on? It could be you idle air control motor this is located on the throttle body, but because this happens while driving I am thinking you will need to replace your crank shaft position sensor it is located on the transmissinon bell housing it is very hard to replace without the correct tools. If the check engine light is on take it to a local auto parts store and ask if they can check the check engine codes for you they usally will do this for free.
Posted on Jun 03, 2009
SOURCE: 2005 jeep grand cherokee 4.7
Check and clean the idle control solenoid and passages, check the throttle position sensor and perhaps the crank sensor. Don't buy anything without testing or you will be spending money on stuff you don't need.
If stumped, get a chiltons or haynes manual and go through the test procedures they outline. Any good shop does this and you should too!
If it tends to stall that tells me that the iac is possibly opening late (sticking) but that can also happen if it gets bad information from the control system. (where testing is important)
Posted on Oct 07, 2009
SOURCE: 2003 Jeep Liberty Stalls
thats correct, may have bad ecm (computer) or bad wire to crank sensor from ecm, also ive run into this problem and it was the new sensor i put in was no good and aftermarket,also cam sensor can do this, and also make sure the 5 volt feed wire is good,good luck hope this helps.
Posted on Oct 13, 2009
Testimonial: "It ended up being the cam sensor. Thanks for the info. Fixed it right up."
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