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Unread 11-20-2013, 06:51 PM   #1
321madmax
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1993 XJ Cherokee 
 
Join Date: Nov 2013
Location: Mims, Florida
Posts: 14
93 xj shut off . Has fuel & fire but wont run

I was driving to work and it abruptly shut off. It has fuel & spark. But it still wont run. Please help!! Im thinking possibly the timing chain but these motors are not known for issues like that. Besides its a baby only has 140,000 miles & regular oil changes. I changed the crank position sensor just to try it.

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Unread 11-24-2013, 05:16 PM   #2
doghouse8632
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Join Date: Nov 2013
Posts: 19
Don't guess, u need 2 ruler out items. If u think the timing chain jumped, u would have low compression on all cylinders. How did u check 4 fuel psi. U need 2 test with a guage.... 35 psi needed 2 fuel the injectors...
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Unread 11-24-2013, 05:35 PM   #3
laybackman
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1995 YJ Wrangler 
 
Join Date: Dec 2002
Location: Massachusetts
Posts: 6,130
Quote:
Originally Posted by 321madmax View Post
I was driving to work and it abruptly shut off. It has fuel & spark. But it still wont run. Please help!! Im thinking possibly the timing chain but these motors are not known for issues like that. Besides its a baby only has 140,000 miles & regular oil changes. I changed the crank position sensor just to try it.
First thing;
Does the CEL light up for several seconds when you turn the ignition to the ON position?

Next check DTC codes using a code reader or do the key on key off thing;

http://www.jeepforum.com/forum/f12/s...eaning-677141/

If no DTC's do this next:
Remove the dizzy cap turn the key...watch the rotor. Does it turn? If it does then the TC didn't break.
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