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Unread 01-10-2013, 06:40 PM   #1
bravekate
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1998 ZJ 
 
Join Date: Jan 2013
Location: Fredericksburg, VA
Posts: 15
1998 JGC stall/not starting issue

Been going down the list, CPS is next. Just trying to narrow it down. It usually happens in warmer weather or when the engine is hotter. After replacing the TPS, complete tune-up, replacing MAP sensor, ignition coil and cleaning AIC it was working MUCH better. Didn't stall for a whole month. The weather has warmed up a bit and now it's BAD! Have heard some hints about vacuum lines and grounds but don't even know where to start. Any ideas? Recently had the fuel pump and relay replaced.

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Unread 01-10-2013, 07:53 PM   #2
ZeeJay1997
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1997 ZJ 
 
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Try the list in the green link below.
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Unread 01-11-2013, 01:05 PM   #3
bravekate
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Thank you

Quote:
Originally Posted by ZeeJay1997 View Post
Try the list in the green link below.
Thank you!! Will be going down the list this weekend!
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Unread 01-11-2013, 05:15 PM   #4
ZeeJay1997
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Quote:
Originally Posted by bravekate View Post
I've done a lot of the things on the 12-step list. Will be working on it again tomorrow. Mine is definitely worse when it's not as cold and when there is more humidity. Does that point to something in particular?
When the humidity is high it is easier for current to find a stray path to ground. When the ground path that is normally used by the current is weak, the humidity (water is a great conductor) will provide an easier path for the current, taking it into places it doesnt belong causing cross feeds across components.

So, if you havent cleaned your grounds yet, it probably should be next.
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Unread 01-11-2013, 06:00 PM   #5
Bannerman53
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And check all the vacuum lines for leaks. My dad's 04 WJ was acting really badly (cutting out while braking, cut-out when idle etc.) and it turns out a vacuum line was completely disconnected.
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Unread 01-15-2013, 04:49 PM   #6
bravekate
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Quote:
Originally Posted by ZeeJay1997 View Post
So, if you havent cleaned your grounds yet, it probably should be next.

Excellent! Planned on doing it this past weekend but took longer than I thought to replace the shocks. Thanks!
BTW....been reading some of these threads for days and I gotta say, you guys crack me up! Thanks for that, too!
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Unread 01-15-2013, 04:52 PM   #7
bravekate
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1998 ZJ 
 
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Location: Fredericksburg, VA
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Quote:
Originally Posted by Bannerman53 View Post
And check all the vacuum lines for leaks. My dad's 04 WJ was acting really badly (cutting out while braking, cut-out when idle etc.) and it turns out a vacuum line was completely disconnected.
Thanks Bannerman! That was also one of the top ones on the list!
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