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Jeep Grand Cherokee Start Stall Idle Problems

578 messages,  Last post on Nov 09, 2009 at 9:07 PM

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#506 of 578 Re: Hard to start and keep idleing [jeephelp] by cc757 Apr 08, 2009 (4:48 am)
Replying to: jeephelp (Apr 07, 2009 10:04 pm) Hi tmpga, I had the PCM (computer) replaced. So far so good. It's only been a couple of days, but it hasn't even tried to stall. I put a more detailed post up on 07 April. I had a guy come out with some Jeep specific diagnostic equipment. He hooked it up and found nothing. No codes. A couple of times HIS computer screen blanked. After he disconnected, the jeep stalled. While the key was still on, he hooked back up to look for codes and got no readings at all from the computer. (Bad motherboard so to speak) So the computer was shot and I got a new one. $400 bucks. If you go down that road, DO NOT use Auto Computer Exchange from Davie Florida. I have heard nightmares about their products and customer support. Good Luck
#508 of 578 95 Grand Cherokee idles rough at low speeds by kimjones1 Apr 08, 2009 (1:51 pm)
My 95 Grand Cherokee idols VERY rough and accelerates slowly from 0 to 60. Once I get her above 60mph she is happy. There is also the smell of rich gas. We changed the fuel filter and filled it up with gas treatment and premium gas. Helped a little but did not fix the problem. Could this be the o2 sensor?
#509 of 578 4.0 engine intermittent stall by finisher Apr 21, 2009 (1:36 pm)
1996 Grand Cherokee 4.0 engine. Over the past 4 - 5 months engine will hesitate/stall for a split second and then continue running fine. Some days problem will not occur at all. Occasionally at stop light engine will stall and restart w/o a problem. Hot or cold does not matter. Flat ground or climbing a hill does not matter. Example: While traveling at 65 mph with the cruise control set, engine will stall for a split second and then continue running fine. Lights, gauges, radio, cruise control set light will remain on and when engine restarts cruise control remains on and speed is maintained without resetting cruise control. New plugs, rotor, cap & wires. Check engine light does not flash or remain on. Any ideas? Dennis
#512 of 578 2000 Grand Cherokee Stalling and Leaking Tranny Fluid by jewls Apr 22, 2009 (12:58 pm)
My husband just bought this 2000 Jeep Grand Cherokee. He knew that the sellers were having problems with it and they showed him all the things they had done to try and fix it lately. He still thought it was a good buy. We now have a "Headache"...or lemon!! The problem is, you can drive for an hour, even two hours. BUT if you stop for a minute the jeep starts spitting and sputtering, it then shuts off. You have to sit there for a good 10 minutes to restart it. It will restart right away but it will spit and sputter. After 10 minutes it starts fine. We checked the ecu (computer), supposedly it's fine. He just replaced the ignition coil (chrysler told us to) didn't seem to help. He did say that it runs a little better now that it's changed (or so he thinks). We are leaving for vacation in a few weeks (over 800 mile drive) and we have two small children. We don't want to be breaking down on the side of the road.    There have been many things replaced but I will have to get a list. He just drove 3 hours away and called me to tell me that he had to add transmission fluid twice because it keeps running out and shutting off. I guess it sprayed all over the underneath of the Jeep, all the way up the back window! (The transmission has been replaced recently). Could it just be a seal bad? Another thing, he just mentioned the check engine light is on and flashing. We are going crazy over this whole situation!!   PLEASE someone help us!!!
#513 of 578 Re: 2000 JGC wants to stall out [nichols02] by jewls Apr 22, 2009 (4:15 pm)
Replying to: nichols02 (Sep 30, 2008 1:15 pm) I am just curious to see if you have figured out what is wrong with your JGC? I have the same problem and can't seem to find whats wrong! Thanks!!
#515 of 578 2004 Jeep Grand Cherokee Starting Problem by osornio Apr 28, 2009 (8:02 am)
It is a mystery to me, and it seems a mechanic and local dealearship as well. Here is my story.   I have the V8 engine 2wd and it's a 2004 Jeep Gran Cherokee, it has about 73k miles and has been great ever since I bought it.   I would say about almost a year ago the car wouldn't start out of the blue in the morning. I turned the key, all dash lights came on and when I turned the key nothing happened dead silence. No engine turn over or clicking nothing but silence. I thought the battery was dead so I tried turning the front ligts on (was still dark outside) and they were bright. I took the key out and tried again, nothing. Then I tried one last time and vrooom! started like a champ.   I just thought to myself that was odd, anyway weeks went by no problems. Then happened again a month or so later (varying from 10 minutes to 20 min won't start after several tries), with almost identical results. I have also tried putting it in neutral and pressing brake with no results. Long story short, I have replaced the battery (made sure amperage was correct for that car), I replaced the starter and had a mechanic and local dealer look at it but both say they can't find anything wrong with it.   Here are some clues and more experiences I have had. More recently the car would not start in the a.m. but this time 4 hours later and it would still not start, so i called the tow truck who tried himself and wouldn't start. He towed it to local mechanic and of course it started on first try there.   The mechanic checked the starter relay and it is functioning fine. Lastly i notice a pattern, if I leave the car parked for more than 2 days without starting, then the 3rd day it tends to not want to start. Just yesterday the car wouldn't start in the morning so i took another car to work, when i came home it still wouldn't start until the fourth try turning the key vrooom! no problem or hesitation.   If I start the car every day it starts more often with no issue but it is not gauranteed just left often. I am asking if other people have had this issue or if anyone has any ideas?   I am honestly at my whits end of what to do to get this fixed.   Thank You Replies to this message: tuggajb (Apr 28, 2009 12:24 pm) ihornsby (Jun 03, 2009 6:58 am)

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