No spark, no start.... -
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Unread 08-31-2011, 09:25 AM   #1
Registered User
1992 YJ Wrangler 
Join Date: Jul 2010
Location: Louisiana
Posts: 903
No spark, no start....

My Jeep randomly died pulling into tha gas station a few days ago, and now it wont start. I checked it and Im not getting spark at the plugs, and then I checked it coming off the coil. No spark there either.

So what else do I need to check?

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Unread 08-31-2011, 10:26 AM   #2
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1990 YJ Wrangler 
Join Date: Feb 2011
Location: northwest, ark.
Posts: 903
Check all your connections and be sure they are clean. Next check your coil wire and coil. Then your cps and your ecm.
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Unread 09-01-2011, 07:44 AM   #3
afhanson72's Avatar
1994 YJ Wrangler 
Join Date: Oct 2007
Location: Las Vegas, NV
Posts: 127
Sounds like a bad coil. Mine did exactly the same thing and that's what the problem was.

94 YJ - Plenty of mods
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Unread 09-01-2011, 07:50 AM   #4
Web Wheeler
1989 YJ Wrangler 
Join Date: Apr 2008
Location: Detroit, Michigan
Posts: 14,989
Check your fault codes by cycling the key. Judging by the number of post you have I know you know the routine. Does the fuel pump cycle when you turn the key. Chances are its the Crank position sensor.
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Unread 09-01-2011, 07:54 AM   #5
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1995 ZJ 
Join Date: Feb 2011
Posts: 13
fuel and fire man....if you lost both..definately cps.
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Unread 09-01-2011, 08:28 AM   #6
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1995 YJ Wrangler 
Join Date: Oct 2008
Location: Ballard,WV
Posts: 418
it's a bad crank sensor , located on drivers side bell housing at 11:00
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