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I just bought a 2000 K2500 Classic with the 454 and 4L80e. After a few months the tranny acts like it is going into limp mode. It has only happened running on long trips and I can not make it happen on command, it seems random. When pulling a steep hill sometimes it will downshift and not go...

Has anyone had any expirience with NAPA brand starters? I bought one a month or so ago and it is already giving trouble. Acts like the solenoid is bad already. For $300 I'd expect it to last longer than that, but it does have a lifetime warranty on it.

I was checking the voltage across the pins connecting to the lift pump and the motor reved and died. Now the lift pump won't prime and the truck won't start. Any ideas without throwing more money at it?

About 1500 or 2000 miles ago I chainged out my injectors for a set of Bosch from rockauto. Ever since the truck has had a fishbite or hiccup at idle. It only does it when the truck is warmed up. Pulling the coolant sensor brings the idle up and helps some but after it is warm you can still tell...

I've been reading up on extended oil change intervals for synthetic oil, most of what I find is for the Duramax. We have 2 Duramax trucks at the shop and they do not seem to dump as much soot into the oil as our 6.5L diesels. I usually run Delvac 1300 and change every 3500-4000 or so.Next...

Not really a "diesel" question, but is there a relay that can be pulled so that ABS does not work on these trucks?

Been on here a few months but never posted, anyways... I have a 98 K2500 6.5TD and latley it has started making a pinging sound from the right side around the turbo area. I cain't hear worth a crap so I cain't pinpoint it even with my trusty listening stick over the diesel rattle. I'm...