Rpm drops then dies - JeepForum.com
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post #1 of 5 Old 01-14-2013, 02:27 PM Thread Starter
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1994 ZJ 
Join Date: Sep 2012
Location: agawam
Posts: 22
Rpm drops then dies

when i start up my 5.2 it will idle perfectly fine if i leave it in park, if i drop it into drive it will idle for about 5 - 10 minutes before the rpms slowly drop to about 100 then it will die. if i try to start it immediately it wont crank over and the my battery gauge says my battery is nearly dead, but if i wait about 30 minutes or so shell fire right up again.

duhkooter is offline  
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post #2 of 5 Old 01-15-2013, 07:00 PM
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1997 ZJ 
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Sounds a lot like a bad battery or weak charging system.

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post #3 of 5 Old 01-15-2013, 08:46 PM
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1995 ZJ 
Join Date: Dec 2008
Location: Stephenville Texas 76401
Posts: 1,373
What kind of battery do you have. I had a gel battey that was bad and did that to me on a chevy years ago.
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post #4 of 5 Old 01-15-2013, 08:53 PM Thread Starter
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1994 ZJ 
Join Date: Sep 2012
Location: agawam
Posts: 22
I've tries jumping it multiple times after it died and it did work either time, so I'm not quite sure it's my batter or a charging system.
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post #5 of 5 Old 01-15-2013, 09:43 PM
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1996 ZJ 
Join Date: Feb 2012
Location: Wilmington
Posts: 73
check all your grounds, sounds like some sort of wiring/electrical problem
Bannerman53 is offline  

5.2l , rpm , stalling

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