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Jeep Grand Cherokee Start Stall Idle Problems

592 messages,  Last post on Dec 08, 2009 at 12:50 AM

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#545 of 592 Re: 96 Jeep Grand Cherokee stalling out on me.. [jygriff1] by finisher Aug 15, 2009 (6:08 am)
Replying to: jygriff1 (Aug 14, 2009 9:00 pm) My 1996 4.0 Grand Cherokee had an intermitnet hesitation while driving at freeway speeds. Never completely stalled. Installed a new craknshaft position sensor and that cured the problem. A couple of months later it would have a hard time starting and run poorly until it would not start at all. Installed a new fuel pump assembly and that took care of the problem. Fuel pump assembly is expensive because it includes fuel gauge sensor and other stuff. Around $425.00 for the part. Another stupid design. Good luck. Replies to this message: mamma (Aug 15, 2009 7:57 am)
#546 of 592 Re: 96 Jeep Grand Cherokee stalling out on me.. [finisher] by mamma Aug 15, 2009 (7:57 am)
Replying to: finisher (Aug 15, 2009 6:08 am) You should look up the word stalling, rough idle. There have been many threads; one of which includes the possibility of needing a new computer becuase of some improper bolt wear. The new computer solved mine, not for cheap, though.
#547 of 592 Re: 1996 Jeep GC will not run [harpplaya] by murfdog13 Aug 16, 2009 (7:58 am)
Replying to: harpplaya (Jun 04, 2009 12:37 pm) hey buddy im experiencing the same problem with my 96jgc i changed my starter purchased a new battery now the gauges dont work and the engine wont turn over so was it the ignition switched that was causing yout the problem Replies to this message: 96jeep2 (Aug 16, 2009 6:06 pm)
#548 of 592 Re: 1996 Jeep GC will not run [murfdog13] by 96jeep2 Aug 16, 2009 (6:06 pm)
Replying to: murfdog13 (Aug 16, 2009 7:58 am) Looks like alot of us are having the same issue, anything from not starting all the way up to stalling while towing a boat 15 mins down the high way. This is absolutely absurd!!! I have changed everything in my car and I still can't get it started, maybee the goverment should have let Chrysler fall right on it's face, just like chrysler is letting their customers do. I dont think it's any of the sensor's, pumps, hose, fuse or switches ; I think it is the whole wiring harnes it self! It has to be, we replace every sensor, switch, hose, fuse, and the pcm! If we replaced everything its got to be what connects of of them together. Jeep is known for, not have a great electrical system to begin with. I dont know I am not a mechanic, but I do have a brain. Oh were was that brain of mine when I started this crap!! LOL any ways. I spent way to much money on this, At this point is would be foolish to give up. Any one know were I can get a new wiring harnes, that hopefully dose not coast an arm and a leg, i only have a few fingers left.
#549 of 592 Re: problem with hot weather start [jnunez] by deratristar Aug 25, 2009 (1:54 pm)
Replying to: jnunez (Jul 19, 2007 4:04 pm) You are describing a problem that has plagued me for 3 years! Mine is an auto trans, but I get the same misfire code from the OBD II. Runs better after a few seconds in drive. Changed the plugs, and was going to change the coil boot, then the coil pack until I saw your post.   Anyone come up with a solution for this yet?
#550 of 592 starting problems by tomstrate Sep 06, 2009 (6:04 pm)
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
#552 of 592 Operating Temp Stall...Advice please by bshockley Sep 07, 2009 (4:58 pm)
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! Replies to this message: tuggajb (Sep 08, 2009 12:21 pm) bshockley (Sep 23, 2009 5:20 pm)
#553 of 592 Re: Operating Temp Stall...Advice please [bshockley] by tuggajb Sep 08, 2009 (12:21 pm)
Replying to: bshockley (Sep 07, 2009 4:58 pm) has to be a thermal vacuem switch check all hoses from them Replies to this message: bshockley (Sep 23, 2009 5:20 pm)
#554 of 592 JGC difficult to start, dies in idle immediately after a difficult start by dindih Sep 08, 2009 (7:57 pm)
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... Replies to this message: steve_ (Sep 08, 2009 8:08 pm) dindih (Sep 09, 2009 1:03 am) steve_ (Sep 09, 2009 7:52 am) and 1 more...

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