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08-28-2015, 01:44 PM

Scott Medina

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Join Date: Aug 2015

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Model: Cherokee

jeep

i have a 2003 jeep grand cherokee 4.0 hard to start put in new fuel pump crank sen cam sen sprak pluges it takes about 4 to 5 cranks to get it to run feul eccon 9 miles to the gallon

Last edited by Scott Medina; 08-28-2015 at 03:07 PM.

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08-28-2015, 02:53 PM

zjWaggy

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Year: 1993

Model: Grand Cherokee

Engine: 5.2L

jeep

We're gonna need a bit more of a descriptive explanation...

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08-28-2015, 05:43 PM

JPXJMOAB

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Location: Minnesota

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Year: 1999

Model: Cherokee

Engine: 4.0L

jeep

4-5 cranks isn't unusual for a 4.0. Does it idle fine? Have you replaced plug wires?

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08-29-2015, 12:35 AM

dave1123

Old fart with a wrench

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Location: Manlius, east of Syracuse, NY

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Year: 2000 XJ Sport & WJ Laredo

Model: Grand Cherokee (WJ)

Engine: 4.0L

No plug wires on a WJ 4.0. How did the plug insulator boots look? What plugs did you use? How clean is the throttle body? Check the MAP sensor for a cracked hose.