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Bad idle and whining fuel pump


Kevin Wyatt-Scott
09-15-2004, 09:23 PM
My 88 cherokee 4.0l has a whining noise coming from the fuel pump, which goes away when accelerating. The idle is rough, as it seems to almost stall, and then gets a rush of fuel and rpm go up. It starts OK, fuel consumption seems normal.

I just bought it, so i have no knowlege of it's history.

Dale Aeppli
09-16-2004, 04:59 PM
My 88 cherokee 4.0l has a whining noise coming from the fuel pump, which goes away when accelerating. The idle is rough, as it seems to almost stall, and then gets a rush of fuel and rpm go up. It starts OK, fuel consumption seems normal.

I just bought it, so i have no knowlege of it's history.




HI, THEre :smokin: IS A RESISTOR ON THE DRIVERS SIDE FENDER UNDER THE HOOD IT IS A WHITE CERAMIC BLOCK, IT CAUSES BAD IDLE AND STALLING . ITS PURPOSE WAS TO QUIET THE FUEL PUMP DOWN SO ITS NOT AS NOISEY. HAVE PIC. AS TO WHERE ITS MOUNTED EMAIL ME AT jeepman600@aol.com can't send thru forumn Dale

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