Shut down while driving but will restart and continue on way - JeepForum.com

 
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post #1 of 3 Old 04-05-2013, 01:40 PM Thread Starter
robdiesel86
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1996 ZJ 
 
Join Date: Apr 2013
Location: St.Louis
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Shut down while driving but will restart and continue on way

My 96 Zj is shutting down while driving but sometimes will re fire and continue driving. I would appreciate any help.

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post #2 of 3 Old 04-05-2013, 03:57 PM
Uniblurb
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1996 ZJ 
 
Join Date: Jan 2012
Location: Central
Posts: 7,423
Here's a real good list of things to check for stalling problems.

http://www.jeepforum.com/forum/f13/1...talls-1407423/

Are you're gauges going wacky when starting to shut down, particularly the gas gauge and/or voltage gauge? If so you may want to get an ohm meter, set it to the lowest ohm setting, and check the plug at the far back/passenger side by the valve cover to the crank sensor. Put the black meter probe on only the middle B pin (ground cavity) and the red probe on either A or C like in the below directions (same for 4.0 and 5.2). Any resistance at all, it's bad, and only replace w/another Mopar sensor. Good luck.
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Crankshaft Positon Sensor Test, p. 8D-8 FSM.jpg  

96 4.0 ZJ Laredo, 2004 4.7L WJ Limited, 93 4.0 XJ (spare), 96 4.0 XJ (son's)


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post #3 of 3 Old 04-06-2013, 06:26 PM
mholmes7979
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1994 ZJ 
 
Join Date: May 2012
Location: Spring
Posts: 46
Most likely the PCM is getting ready to die. Could be the IAC valve that just needs cleaning.
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