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1992 Laredo start up issue


 
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Toliver09
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Joined: 16 Oct 2007
Location: Central Illinois

PostPosted: Thu May 29, 2008 8:38 pm    Post subject: 1992 Laredo start up issue Reply with quote

Alright, I have a '92 cherokee laredo with the 4.0 ho motor - 200k+ miles on the motor.
When i go to start it in the morning it will start and run for a moment and slowly die out, start it again and it dies again, and then ALWAYS on the third try it starts and then idles real low for a second and then shoots up correct idle again. I run 15-40 rotella oil and i have a straight pipe with a glasspack for an exhaust. No other mods to the motor. Any ideas? Thanks - Mike
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Brad The Best
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Joined: 14 Jan 2007
Location: Kamloops B.C Canada

PostPosted: Fri May 30, 2008 3:08 pm    Post subject: Reply with quote

assuming you have cleaned out your throttle body
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Toliver09
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Joined: 16 Oct 2007
Location: Central Illinois

PostPosted: Sat May 31, 2008 8:22 am    Post subject: Reply with quote

yes sir, went through an ENTIRE can of throttle body cleaner
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88WOWJ
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Joined: 12 Aug 2006
Location: Hinesville Ga

PostPosted: Tue Jun 17, 2008 12:46 pm    Post subject: 1992 Laredo Start up Reply with quote

Sounds like a fuel pump issue.
Fuel pump pressure 31-33 psi.
_________________
1988 Wagoneer Limited XJ Tellico Tested
Rocklizards panels, Tomken rear bumper and front Tow brackets, Rocket air intake, 2 inch lift,
30x950x15, 1991 coolant system with electric fans, 8,000 mile marker winch
1991 Cherokee Limited
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