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Thread: backfire

  1. #11
    Joe (Moderator) joecar's Avatar
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    Apr 2003
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    The pump module has an FPR (with its reference open)... you may be able to change this.

  2. #12
    Lifetime Member 5.7ute's Avatar
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    Oct 2006
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    Is there a check valve in your fuel lines to prevent reverse flow in the unused tank?
    The Tremor at AIR

  3. #13
    Junior Member
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    Sep 2013
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    Yes there is a valve so I can switch between fuel tanks. Open one way for main and another for aux

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