N14 Injectors Leaking Down?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by NebraskaGMC, Nov 18, 2024.

  1. xsetra

    xsetra Road Train Member

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    Aug 21, 2011
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    You can disconnect 1 injector at a time to find the bad one. Just disconnect the wire harness at the pass thru while motor is running. IF the sound of motor doesn't change when disconnected. That is the problem cylinder
     
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  3. NebraskaGMC

    NebraskaGMC Bobtail Member

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    Jun 9, 2019
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    It's not misfiring, it actually runs great. It only does this on the first start after sitting a few days
     
  4. W923

    W923 Road Train Member

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    Probably galled up the skirt and broke it then the piston top and rod got out of control and boom….seen it before
     
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