Last post on Dec 10, 2013 at 2:04 PM
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Jeep Grand Cherokee
#422 of 1241 1996 JGC catalytic converter
Jan 12, 2009 (9:17 am)
I had the catalytic converter replaced in my 1996 Jeep Grand Cherokee last year as part of a recall requirement so that I could get it registered in California. Two weeks afterward, it started dying on me at stop signs and red lights. I took it back to the dealer, where I got some vague explanations and another new catalytic converter. Car was fine afterwards and I took it two months ago for service. Three days after they serviced it, the check engine light came on. Against my better judgment, I took it back to the dealer and they claimed it was the converter again! I was able to get the part under warranty - but had to pay for two O2 sensors and labor, which was aggravating but fine - until ONE DAY after I picked the car up: it now makes a terrible rumbling sound when I start it up and the throttling is ridiculous. Anyone else have problems with this part??? I'm almost afraid to take it back to the dealer - every time they touch it, it just gets worse!
#423 of 1241 Re: start and idle problems [chas83]
Jan 12, 2009 (2:20 pm)
I solved my problem by doing a couple of things. In addition to the stalling or failing to start, (One of the symptoms was that I would get a small shock when I exited the vehicle.) I replaced the ground cable on the battery, cleaned and refastened all connections for ground. In addition I was having a problem with the auto door lock on the drivers side door. It appeared to me that I was getting the shock because of the current path through the "coil" of the door lock. I took off the door panels and disconnected all of the door modules from the cable assembly. I drove the car around, started it many times and then let it sit. Just to be sure I charged the battery, and then hooked everything back up except for the the electronic door lock on the drivers side. No more shocks, no more stalls, no more failure to start. I replaced the electronic door lock mechanism and put it back together. I haven't had a problem since. It appears to me that any path of current to ground even a small one, does some crazy things to the computer sensor board and problems ensue. Good luck.
#424 of 1241 idle prob?
Jan 24, 2009 (11:21 am)
I have a 2000 JGC with the 4.0. It will start and run fine then after a while it will stall out then it wont restart for 5 to 20 min. When it restarts it runs fine. I dont know what causes it to stall you can be sitting idle or driving 70mph never know when it is going to happen. I have run at least three bottles of dry gas through it and there are no check engine lights on. Any ideas? Thanks
#425 of 1241 05 Jeep Grand Cherokee Starting Issues
Jan 24, 2009 (7:49 pm)
About 3 months ago, the jeep would not start. When I turned the key to the on position, all of the dashboard lights would come on and everything seemed normal, until I tried to start it. Nothing happened, it didn't crank, it didn't try at all. After sitting for a few hours it started fine. I took it to a mechanic and they couldn't find anything wrong with it. I haven't had any issues until now. The same issue occured, however this time it wouldn't start at all. I towed it back to the mechanic and they replaced a relay switch and it started. They took the new relay switch out and placed the old one back in and it started. They couldn't get it not to start again. The next day, the issue is back, it still will not start. I moved the switches around as the mechanic suggested, however the jeep still will not start. There are no other symptoms displaying. I am open to any suggestions at this point.
#426 of 1241 Re: HELP!!! 96 Country won't start [timmboj]
Jan 25, 2009 (10:21 am)
Did you ever figure out what was wrong with the jeep? Mines doing the same thing.
#427 of 1241 98 jeep gc start then dies
Jan 28, 2009 (11:43 am)
im haveing a problum with a 98 jgc it starts fine some times and most of the time it starts but it has no power you tuch the gas it dies and thars no rpms ther you shut it off it will start and have the rpms i put in a new cam and crank sensor i tride a used computr and still the same thig it has a code fro cam and crank sensor intermitent short or grownd or bad pcm any help pleas
#428 of 1241 Re: 98 jeep gc start then dies [penman1]
Jan 28, 2009 (4:41 pm)
my problem was the wiring harness going to the pcm. try jiggling it while engine is running. three spliced conections in the wiring harness where bad on Mine. i wire nutted them. works good now. on mine theres also a small gauge ground wire coming off the neg. bat terminal. that connection can go bad also. good luck
#429 of 1241 Re: 98 jeep gc start then dies [hank778]
Jan 28, 2009 (4:42 pm)
small gauge ground wire is to the pcm
#430 of 1241 Re: idle prob? [jedkind]
Jan 28, 2009 (5:26 pm)
well i have not had this exact problem with my 2000 jgc mine would only stall when i was idleing and it was the sensor for the idle. but i had a honda and it would do exactly what you have said and it ended up being the fuel relay. we figured this out after replaceing the fuel pump and filter and the problem was still there so we replaced the relay switch for the fuel pump. and it ran perfect after that.
#431 of 1241 JEEP WONT STARTAND RUN SOMETIMES
Jan 29, 2009 (5:00 pm)
I CHECKED THE GROWND WIRES ALL SEAM TO BE GOOD AND NO VISABULE DAMEGES TO WIRES