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fuel leak

  1. 11-16 LML Duramax Powertrain
    2012 2500 LML, 190k miles PPEI 150hp tune, deleted, EGR completely removed, FASS 150 Replaced low pressure elbow into CP4 and low pressure line to low pressure schrader valve test port 6 months ago when it had a fuel leak into the valley Driving home last night, "Check Fuel Filter" light came...
  2. 06-07 LBZ & LLY Duramax Powertrain
    my fuel rail appears to be the culprit the red arrow is the bolt on the back of the driverside fuel rail against the firewall i cannot get it any tighter but the drips come from underneath at about the point of the yellow arrow. does anyone know if there is an o-ring or something in there that...