Question about 1999 Jeep Grand Cherokee

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1999 GRAND CHEROKEE CUTS OFF

I HAVE A 1999 GRAND CHEROKEE THAT JUST CUTS OFF. SOMETIMES IT COMES RIGHT BACK ON. THEN SOMETIME I HAVE TO PULLOVER, PUT IT IN PARK, CYCLE THE KEY AND IT STARTS RIGHT BACK. THEN SOMETIMES I HAVE TO LET IT SET FOR 10 MINS AND IT STARTS BACK. ANY IDEAS? THANSK... I have the same problem. I will be driving and the power just cuts off. I pull over and and at first it would just start right up. But lately it takes 10 minutes to 20 minutes to start. Is this also the crank shaft sensor. I took it in to the dealer and they diagnosed it as the Powertrain Control Module. I replaced it but it is still cutting off on me. Any help would be appreciated.

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If you're saying your cherokee abruptly quits periodically, then you very likely are experiencing problems with your electrical ignition system, as found in this great diagnostic article:
http://yourhandymanzone.com/Your_Handyman_Zone_How_To_Pages_Vehicle_Car_Zone_Cars_Trucks_Vans_Engine_System_Engine_Abruptly_Quits_Periodically_While_Driving.htm

This should help.
Brad

Posted on May 27, 2009

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Sounds like you both are having problems with your coil packs.  When they start to go bad and get hot, they will shut down on you for a while until they cool back down enough to start working again.  They will get progressively worse as time goes on.  I believe that you can take the coil packs to AutoZone and have them tested for free.  Let me know if you have any other questions, but I think this will take care of you both.  Thanks for rating my response and for using FixYa!

Posted on May 27, 2009

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I was having the same problem with my 1999 Grand Cherokee I just had the crankshaft sensor replaced and it's running great!

Posted on Jun 02, 2009

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