6.6L Duramax-Lift Pump Suggestions
Hello I recently got a 07 Sierra 2500 classic with 140K on the LBZ (pre DEF) engine and have encountered low rail pressure code P0087. After reading about the various sources of this problem I have r...
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Your HPFP should be able to function well without a LP unless you'v eincreased HP.
I would fix what ever is wrong first and then install an aftermarket LP of longevity.
BTW, any time you have a fuel issue it's best to start by swapping the fuel filter even if has been recently replaced.
I would fix what ever is wrong first and then install an aftermarket LP of longevity.
BTW, any time you have a fuel issue it's best to start by swapping the fuel filter even if has been recently replaced.
