Fuel pump question?

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05-27-2009, 09:21 PM

stutter1

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Year: 1987

Model: Cherokee

Engine: 4.0

Fuel pump question?

I have a 87, 2 dr cherokee that the fuel pump just started running for a lot longer (way over a minute)after i shut off the engine and before i start it. Is it a pressure problem, a leak in the return line? when this happens it wont start till the pump stops.

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05-27-2009, 09:24 PM

JeepingDan

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Year: 88

Engine: 4.0 HO

could be a leaking injector. some body correct me if I'm wrong

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05-27-2009, 09:28 PM

dangerousdavid

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Year: 1992

Model: Cherokee

Engine: 4.0 HO

could be a leaky injector or a pinhole in a line somewhere...check the seals around the injectors on the fuel rail. could be the ignition switch as well. not telling the pump to shut off.