2013 ISX15 Cummins fuel trouble!

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by HammerTransport, Apr 2, 2024.

  1. HammerTransport

    HammerTransport Bobtail Member

    34
    2
    Feb 28, 2020
    0
    there’s only one supply line from the T to the filter housing and then 1 line from the filter housing to the priming pump block. Even if I bypass that filter housing altogether, it still runs the same.
     
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  3. Mr Bob

    Mr Bob Light Load Member

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    84
    Mar 17, 2015
    0
    maybe bypass the lift pump.
     
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