[Fearthedeere6.7]

Ive noticed at low rpms. with my pmt, and mp-8 up. the truck will sputter and pop, and crack. it sounds like my dmax did at fuel throttle when id drain the rails. As soon as you rap on it a few times itll go away. Any ideas, i wouldnt see how its be a fuel lack at low rmps.

 

[AdamBOMB_STi]

yeah sounds like you need a FASS pump.

 

[SootKing]

or a new injector pump..... could be a fass thou