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Unread 04-05-2013, 12:40 PM   #1
Registered User
1996 ZJ 
Join Date: Apr 2013
Location: St.Louis, Mo
Posts: 1
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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Unread 04-05-2013, 02:57 PM   #2
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Uniblurb's Avatar
1996 ZJ 
Join Date: Jan 2012
Location: Central, Ohio
Posts: 4,567
Here's a real good list of things to check for stalling problems.

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

-Stalling ZJ? 12 things to check before replacing a sensor; the Dirty Dozen
-Crankshaft position sensor multimeter test. & video of testing.
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Unread 04-06-2013, 05:26 PM   #3
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1994 ZJ 
Join Date: May 2012
Location: Spring, Texas
Posts: 46
Most likely the PCM is getting ready to die. Could be the IAC valve that just needs cleaning.
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