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Jeep Grand Cherokee Start Stall Idle Problems

590 messages,  Last post on Nov 26, 2009 at 4:03 PM

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#565 of 590 Random engine shutdowns while driving by veddy Sep 19, 2009 (7:25 am)
I have been experiencing the dreaded "engine randomly shuts off while driving" problem that seems to plague a lot of Jeep owners with high mileage. However, I'm not getting any codes that would indicate any problems(Just code 12) No check engine light... Nothing.    I just took it for another test drive, and it stalled again about 4 miles up the road, however, instead of immediately pulling over, I decided to put my foot in the pedal, and the engine fired right back up and I went on driving.    Before when it stalled out, I just pulled right over in fear that if I did anything else I could possibly damage something, but this time I just gave her some gas, and like a light switch it fired right back up.    I feel like I'm chasing a gremlin. Replaced fuel filter/Dist cap & rotor/Plugs & wires... etc    Throttle position sensor? Crank position sensor? MAP sensor?    Any advice would be greatly appreciated. Replies to this message: 96jeep2 (Sep 21, 2009 12:16 pm)
#566 of 590 Re: Random engine shutdowns while driving [veddy] by 96jeep2 Sep 21, 2009 (12:16 pm)
Replying to: veddy (Sep 19, 2009 7:25 am) I had the same problem, after alont of time and money, i figured out what the problem was, the crankshaft postition sensor. Now, this was the very first this I did, and it did not resolve the issue, becuase the crk sensor in on the driverside of the bell housing on top, a few years ago i had a tranny job done, they put in a 1997 tranny in, my car is a 96 so beware what parts your working with.
#567 of 590 Re: Operating Temp Stall...Advice please [tuggajb] by bshockley Sep 23, 2009 (5:20 pm)
Replying to: tuggajb (Sep 08, 2009 12:21 pm) Just wanted to update my orig. post. So my Jeep finally threw me a bone and the Check Engine light finally came on (prob be the only time I'm happy to see that light...lol) So I checked it and its reading Code 21 (Problem with O2 sensor). I'm going to check the wires and more than likely replace the sensor this weekend. Crossing my fingers and hoping this is the reason for the failed emissions. Keep ya'll up to date after I fix it.
#568 of 590 Idle is now bad after installing new CKS by veddy Sep 25, 2009 (8:14 am)
I installed a new Crank position sensor now my jeep idles like crap. Sounds like it is missing really bad. Like a bad plug or just misfiring. I doubt its a plug or anything else besides the CKS because it idled just fine with the old one but was stalling while driving.
#569 of 590 95 Jeep Grand Cherokee Cranks but wont Start by driftnismo240 Sep 26, 2009 (5:53 pm)
Ok I have a 95 jeep cherokee I just put a new motor in. the motor was from a 89 jeep cherokee, the intakes wasn't the same so I change the one of the old motor to the new one. The problem is it will crank but it wont start, but there's a trick it act like it wants to start when you first crank it, but after that it just cranks, but when I pull the fuel pump relay out and try to start it, it cranks a couple of times and then starts up and runs for about 20 to 50sec and runs really really rough, and then dies. Please some one help.
#570 of 590 Re: my 2001 jeep grand cherokee [valelf] by cgoley Sep 27, 2009 (3:37 pm)
Replying to: valelf (Sep 16, 2009 7:49 pm) the problem is a crank sensor located on driver's side near the top of the transmission i know this cause i was having same problem i took it to the dealer to have it fixed cost was 299.00 but was worth it cause there were a bunch of re-call that needed to be fixed on my jeep good luck..
#571 of 590 Gauges bouncing everywhere!! by dakotajeep Oct 06, 2009 (3:44 pm)
I have a 2000 (4.7) JGC limited. Intermitantly all gauges would bounce everywhere when trying to start it. If I would press the brake, all gauges would return to normal, and the vehicle would start. Never had an issue while driving. Now the battery is being drained, and sometimes the gauges would bounce even after the vehicle is shut off. I can jump it, but it will be drained the next time I jump in. I've read someone suggesting an ignition switch. Has anyone had this problem or have any idea what I can try? Thank you for any info! Replies to this message: tuggajb (Oct 07, 2009 3:19 pm) deratristar (Oct 07, 2009 4:32 pm)
#572 of 590 Re: Gauges bouncing everywhere!! [dakotajeep] by tuggajb Oct 07, 2009 (3:19 pm)
Replying to: dakotajeep (Oct 06, 2009 3:44 pm) how old is the battery? could have bad cell in it
#573 of 590 Re: Gauges bouncing everywhere!! [dakotajeep] by deratristar Oct 07, 2009 (4:32 pm)
Replying to: dakotajeep (Oct 06, 2009 3:44 pm) As ironic as it sounds, I had an issue with my 2000 JGC, which was a bad battery. My Jeep started popping off a P1474 error, yet there wasn't a problem with the exhaust that could be found.   Then my battery started to have problems on Saturday. Slow cranking, then would turn over. Got worse and worse over Sunday and Monday. Went back to Walmart, who diagnosed a bad cell in the battery, and replaced it no charge (I purchased it there, about 1 yr ago).   You might want to have the battery and cables checked.

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