85 6.9 fuel issues
Hey all,
Been having some issues with the 6.9 I own, seems to be sucking air at times and when parked seems to lose prime. Just started a few months back already did injectors and the fuel lines look good. I just replaced the lift pump since it was leaking oil and I figured that was the problem. It ran great after I put the pump in then when I got fuel it started the surging/light smoking thing.(new fuel filter already didn't help) this problem is not constant, truck does not miss and the water separator has already been by passed. When I fill the tank I have to go slow on the nozzle or it "burps" out the neck, is there a breather valve on the fuel tank that could be clogged that could cause fuel starvation/air ingestion? :humm: |
posable air in return lines.. i have new return lines and mine still does it
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Already changed those after I bought it since they were leaking that was over a year ago, guesss I'll have to do some more chasing. Just looking for ideas on where to start.
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you already nailed all the normal culpruts. have no idea now.
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Hellbilly, got mine narrowed down to between the tank and filter housing, think its one of the metal lines plan on working on it in a few weeks I'll keep you posted
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I replaced all the fuel lines with Gates Bio- diesel line... truck runs freekin awesome...:choochoo:
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might be fuel feed pump :)
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does it do it on both tanks or just one ?
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mine was only doing it on the rear tank... but I replace all the fuel lines with boi-diesel line .... now she dont miss a beat... and I'm killin P.S. trucks with turbos.... mine is a N/A..... I think that is just awesome.. :jump: :choochoo:
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