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Viewing thread MAF codes, EVAP codes, stalling motor, oh my.

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  • Hey, I wanted to check with you, I am having issues with my 04 DII. The problem is putting fuel into it. Currently I can only put about 12 gallons into it. A couple of months back I could put 16, so the problem whatever it might be is getting worse. Ideas??? Thanks, Keith
    On your truck I've seen it but it's not very common. I think you either have a restriction in your evaps system. I'm thinking it has a dmtl pump that has a normally open vent that gets shut when the vehicle is checking for leaks. I've also seen a roll over valve in the filler neck cause it. Also if your charcoal canister is full of fuel it will cause it.

    Just figure for fuel to go in, air has to come out.
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