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SUVs Jeep Cherokee and Jeep Grand Cherokee Jeep Grand Cherokee Start Stall Idle Problems
589 messages, Last post on Nov 26, 2009 at 4:03 PM
You are in the Jeep Cherokee and Jeep Grand Cherokee Forum. Your Hosts are steve_ & tidester
| hey guys,,new to site,,,just purchased 1996 4.0 jgc 2wd,,had cracked exaust man, so i replaced with new one ,,must have missed something,now i have to hold the gas pedal to the floor to get started and idles rough for a few mins,,also needs a few pumps of petal to keep running ,,then levels out ,,just wandering if i didnt hook something up in the right place,,thanks | |
I have a 95 Grand Cherokee Limited 5.2L V8. I just bought it as a project car but it has some issues and I'm not sure where to start. It starts fine and runs great UNTIL it reaches operating temp. Once it hits that temp it starts idling irraticly (mostly low idle aka. under 1k rpm's) and will eventually stall. It will start right back up but than will stall out again. It also didnt pass NOx emission test so I know I have a Fuel/ Air mixture problem. Any advice on where to start would be greatly appretiated!
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Replying to: bshockley (Sep 07, 2009 4:58 pm)
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I am new to this forum... I have a 2001 Jeep Grand Cherokee Limited with a 4.7L V8 engine. Like many JGC owners, I had had many problems along the way. Last week the car began acting out during start-up and would die immediately after a start (after trying several times) and would die in idle if the gas pedal was not pushed down to supply extra gas. The lights would dim, the car would make a big hesitation as if dying out with a faint crank. After turning the key several times to start the car up, it would start and would die immediately in idle if extra gas is not supplied in high rpm idle by pushing the gas pedal... The lights in the car would otherwise work fine, the gauges, the power seats etc would function... The voltage gauge would show 13-14 volts on the dashboard analog gauge once it went through a successful start-up by supplying extra gas for 30-60 seconds. This went on for about a week until I replaced the battery yesterday and all the problems were solved... My battery was an AC Delco battery with a 7-year warranty and had just completed 4 years of use this month. I was thinking either a malfunctioning TPS, an IAC valve or a crankshaft sensor, but wanted to take the battery question out of the way first... Reading this post last night gave me this idea... I appreciate all the help... and wanted to give a feedback...
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Replying to: dindih (Sep 08, 2009 7:57 pm) Did you by any chance have the battery tested before replacing it?
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Replying to: steve_ (Sep 08, 2009 8:08 pm)
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Replying to: dindih (Sep 09, 2009 1:03 am)
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Replying to: steve_ (Sep 09, 2009 7:52 am) |
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The light at the end of the tunnel........ Oh my, what along dark road! At this point, I dont even know were to start! Well I guess the car would be a good start. I have a 1996 jeep grand cherokee leraido. In the beginning my car would die on the high way sometimes not start, stall at the stop signs, lights,etc.. If I waited a few hours it would start up no problem and run fine, even sometimes it would start up after 20 mins. I changed, the crank and the cam position sensor if fact an entire new distributor, and the cap, rotor, plugs, wire, coil, Idle air, m.a.p. sensor, and what ever that third sensor on the throttle body was, I changed that too!, I cleaned the throttle body and the intake, put new fuel filter/pump, and injectors. At that point the only this left to change was the pcm, so what did I do? Yup you guessed it, I changed that too! At this point I found out there are a couple of recall's, had that done by the dealership, and when they were done with that, I asked them to find out what was wrong with the car, after 2 weeks of having the car, still no luck they could not tell me what was wrong with me car, oh but dont worry they still figured out a way to charge me! so after i towed my car out of the dealer ship and paid the 125 doller diognostic fee ugh!!!! My car still did not start at that point. I brought it to my mothers mecahnic, they had the car for 4 weeks, I just got the call that the car is running just fine. The car is fixed!!!! I dont know how much I owe scarry thought! but I do know what was wrong with the car. You ready? I tryed to keep you in suspence, did it work? Well any-ways. My car had a 1997 transmission in it becuase  125000 miles it needed a new one. Now 211000, miles I find this out. well when I address the origanal issue and the very first the I replaced. The crank sensor, well I got a "96" one in and not a 97, thus cuasing all these probelms! Are you picking up what I am putting down. Althought the model for a 96 fit, it was not conducive. It did not work! Moral of this stroy is, when ever you do work on your car, dont asume becuase the make model and year of the car is one thing, that the tranny or the engine transfer case or anything eles is the same, expeshally when it's and older car! This car had alot of work done to it! i am going to keep it! and when I buy a new car, it will be a luxry one! I think i will try and hit 300,000miles with this strait six! what do you thing will it make it? cheers and good luck, i got some body work to do now!
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