ELECTRIC FULE

1990 Jeep Cherokee

Tiny

bret robison

November, 30, 2010 AT 11:17 PM

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?

FOUND 10189 RELATED QUESTIONS

1 Answer

Tiny

rasmataz

December, 1, 2010 AT 1:08 AM

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

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