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Unread 05-21-2013, 08:28 PM   #1
k_linx
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1986 CJ7 
 
Join Date: Oct 2010
Location: Edinburg, TX
Posts: 44
YJ not starting

I have an 89 Jeep Wrangler that will not start. It will crank for about a second but then everything turns off. I have checked the fuel pump, ignition switch, relay, and fuses. If I put gas in the carb it will crank. Any suggestions on what next to look at?

Thanks

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Unread 05-21-2013, 08:36 PM   #2
Cashcrazy
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Join Date: May 2013
Location: Tyler, TX
Posts: 220
What engine? The engine will actually turn over (not just clicking) and then everything shuts as if someone yankee the battery?
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Unread 05-21-2013, 08:47 PM   #3
JCashen
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1990 YJ Wrangler 
 
Join Date: Jan 2013
Location: Fort Worth, Texas
Posts: 225
Was it running previously to this problem? Have you change anything recently? What engine as well?
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Unread 05-21-2013, 08:51 PM   #4
rambo3489
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1989 YJ Wrangler 
 
Join Date: Feb 2011
Location: Albuquerque, New Mexico
Posts: 1,637
I say something electrical regardless. If it just stops cranking something is going on with the starter the battery or the wires between them all the way up to the key.
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Unread 05-22-2013, 09:35 AM   #5
k_linx
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1986 CJ7 
 
Join Date: Oct 2010
Location: Edinburg, TX
Posts: 44
Quote:
Originally Posted by Cashcrazy View Post
What engine? The engine will actually turn over (not just clicking) and then everything shuts as if someone yankee the battery?
Yes you are correct it cranks but then everything turns off. The engine is a 2.5L.
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Unread 05-22-2013, 09:56 AM   #6
EABiker
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1989 YJ Wrangler 
 
Join Date: Dec 2004
Location: Frederick, MD
Posts: 1,680
I think the OP means the engine fires then shuts off; is that correct? That seems to point to a fuel deliver/pressure issue.
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Unread 05-22-2013, 10:05 AM   #7
TexasYJ
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1995 YJ Wrangler 
 
Join Date: Aug 2010
Location: South Texas
Posts: 201
when you turn the key to the on position, not start, does the check engine light come on?
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Unread 05-30-2013, 01:51 PM   #8
k_linx
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1986 CJ7 
 
Join Date: Oct 2010
Location: Edinburg, TX
Posts: 44
Well we finally found out the problems. One the computer had to be replaced, once that was fixed we found out that the fuel relay did not have sufficient ground. After replacing the ground on the relay the jeep started right up.
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