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zieman
Novice
Aug 26, 2010, 9:56 AM
Post #1 of 2
(1307 views)
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04 CHEVY MALIBU 2.2L FUEL PUMP WORKS ONCE IN AWHILE REPLACE PUMP OR START SOMEWHERE ELSE
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Hammer Time
Ultimate Carjunky
/ Moderator
Aug 26, 2010, 10:53 AM
Post #2 of 2
(1303 views)
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Re: 04 CHEVY MALIBU
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You start by diagnosing it properly. You can't do anything until the failure occures and then you use a fuel pressure gauge and test for power arriving at the pump during the first 2 seconds of "key on". It doesn't power after that until it sees a tach signal.
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