Mechanics

ELECTRIC FULE

1990 Jeep Cherokee • 6 cylinder 4WD Automatic •

1990 jeep cherokee 4.0 once in a while ill loos power to the fule pump, ive checked the wires tested the relays replaced the pump ect. Itll take a few hours some times days other times, and itll start like theres nothing wrong, any ideas?
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Bret robison
November 30, 2010.




Could be the computer fuel pump relay ground circuit, fuel pump relay and oxygen sensor heater relay that powers the fuel pump


Tiny
Rasmataz
Dec 1, 2010.


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