Quote:
Originally Posted by njsteve
I'd do the lift pump first since the truck probably hasn't had it ever replaced. I was on rockauto and it looks just like the 6.5 lift pumps in my '95 but with a different fitting/harness connection. It's as easy as replacing a canister fuel filter. It's hanging on the frame rail midway between the bed and the cab. A properly functioning lift pump takes a ton of stress off the rest of the injection system. Check out Napa, first and see if they still have the lifetime warranty on their lift pumps.
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So that’s just it and part of the injector issue is GM DID NOT install a lift pump in this Dmax version. They just have a CP3 fuel pump which is sucking fuel a long ways. This compounds the issues with the injectors .
The aftermarket offers external options, these come with extra filter and water separators designed to assist and clean fuel. There is also an internal fuel tank pump as in option , but this offers no additional external filtration. Depending on the “expert” you talk to gives pros and cons to each.
Everyone does agree that is a must have addition so I’m down the proverbial rabbit hole. If anyone has real world experience please do tell.
Truck runs great, I enjoy driving it.