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tdasch
New User
Nov 7, 2011, 8:04 AM
Post #1 of 9
(4206 views)
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1997 Jeep Grand Cherokee
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1997 Jeep
Grand Cherokee Laredo
4.0 V6
4WD
My Jeep has just randomly started dying while I'm driving. At first it would start right back up, but now it seems to be getting harder and harder to get started after an incident like this. According to other comments in forums that I have read it is a common problem in Jeeps 1996-1998. The only thing they seem to mostly agree on is that it's something to do with the PCM (I don't know what that is) A little strapped for cash the cheapest and easiest route would be preferable... what am i looking at here?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Nov 7, 2011, 8:44 AM
Post #2 of 9
(4184 views)
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Re: 1997 Jeep Grand Cherokee
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PCM = Powertrain Control Module. Get codes again if you have already as even if light isn't on it could have something stored or should,
T
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re-tired
Veteran
/ Moderator
Nov 7, 2011, 10:57 AM
Post #3 of 9
(4167 views)
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Re: 1997 Jeep Grand Cherokee
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First ,you should have a inline 6 not a v6. There are a few things common with cherokee's of that era. First check the engine wiring harness for damage .Look very good at rear of eng for chafing and at front near exhaust. If all ok have the crank sensor checked.
LIFE'S SHORT GO FISH
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 7, 2011, 11:00 AM
Post #4 of 9
(4164 views)
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Re: 1997 Jeep Grand Cherokee
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Crank sensor????????
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Mr.scotty
Enthusiast
Nov 7, 2011, 10:00 PM
Post #5 of 9
(4147 views)
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Re: 1997 Jeep Grand Cherokee
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Like Tom said I would check for any codes first.
It could be any number of things at this point.
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Your only as good as your tools!
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re-tired
Veteran
/ Moderator
Nov 7, 2011, 11:34 PM
Post #6 of 9
(4143 views)
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Re: 1997 Jeep Grand Cherokee
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I have found several jeeps w/4.0 with either chaffed harness at rear of eng or the harness melted to the exhaust. THIS IS WHERE I RECOMMEND STARTING , BASED ON MY EXPERIANCE . LOOKING ONLY TAKES A FEW MINUTES AND IT'S FREE. 
LIFE'S SHORT GO FISH
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Peltier
New User
Aug 3, 2013, 2:26 PM
Post #8 of 9
(2861 views)
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Re: 1997 Jeep Grand Cherokee
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I have a 1997 Jeep Grand Cherokee Laredo and it has a hard time starting up when the weather is cold. When the weather is 70 degrees and above it will start up and sometimes die but when I turn the ignition key over again it will start up again. When the weather is 60 degrees and below it will not start at all. Sometimes it will die when I'm on the road at stop signs or traffic lights, but it always starts up again. I have taken it back to the car lot where I'm buying it from and they have put it on the scope. The scope comes back the PCM which stands for Powertrain Control Module. My question is if I replace the PCM will this solve the problem? I already know the PCM through the dealer costs $630.00 plus tax and for the mechanics there to replace it and program it will be $218.00. I'm very frustrated and any comments here will be greatly appreciated.
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Hammer Time
Ultimate Carjunky
/ Moderator
Aug 3, 2013, 2:52 PM
Post #9 of 9
(2856 views)
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Re: 1997 Jeep Grand Cherokee
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You need to read the FORUM RULES before posting. This thread is over 2 years old.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
(This post was edited by Hammer Time on Aug 3, 2013, 2:53 PM)
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