New Turbo on - still sluggish on hills - fuel?

You can have a partially plugged or collapsed fuel line from the tank to the pump. Have you tried running another line?

Do yourself a favor and go to a Performance Diesel Shop that caters to the Light Truck/RV crowd. Tell them your problems and what you have done. Let them run your rig on a Dyno with their test equipment. At the very least your fuel tank should be dropped and cleaned and the fuel system checked by a pro instead of a guesser.

The boost was steady and strong on the road test with computer attached so think the gasket is OK.

Yeah, the turbo was $1530 and took 6 weeks to find one, that was the real bummer... well, the cost too.

I have the old turbo. Anyone know where I can sell it so someone else can have it rebuilt?

Had a friend few years back, his diesel coach with Cummins was low on power. Went to a few shops & each time they would work on the injector pump & give it more fuel. It got to a point it smoked quite a bit, pulled pretty good, but would run hot in the summer time.
Finely he had enough & carried it to a Cummins shop, come to find out the intake gasket was blown & loosing boost so no wonder the engine was low on power.
Boy when he got it fixed, you talk about a diesel coach would carry you for a ride, was like riding in a car or pickup it had the pump turned up so much. Later he took it back & had the pump turned down a bit to keep from melting the exhaust manifolds.

Probably wouldnt hurt, to get the injector pump checked out, could be something simple as the fuel stop(engine cut off) not opening up all the way & restricting fuel.

Any of you diesel folks, know how to make a Cummins or Cat diesel run like a Detroit.
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Pull the engine stop about half way out, or until you feel the engine slowing down with your foot on the gas pedal flat on the floor & it will run just like a Detroit.
Neil

Turbo..wow, that's not a cheap part. bummer..

X2 on the fuel cleaning service. If there is alot of******in the tank and you knock it all loose with cleaners, I fear you will be chasing your tail for a while changing filters.

Boost pressure checked out well as they tested it with the computer attached. A thorough inspection of the hoses and tubes, plus cleaning, proved all well. They did replace a few clamps that looked iffy.

The chips were more of a rounded over wear, though certainly a problem. The hot side vanes looked fine. I think I'll do another biocide and filter change. Haven't heard of any fuel polishing service in our small town, but might be... we're surrounded by water and have lots of boats.

Thx again for advice. I'm always open to suggestions.

Lar's wrote:
Thx for replies. I also think it's fuel related. Has anyone had their fuel tanks steam cleaned? Wonder about cost?

If you are convinced its fuel then fine a fuel polishing service & let them run your fuel through their system. They guys are mostly mobile and are typically found servicing the boating community.

How about turbo boost? Could one of the flex connectors in the intake system have slipped in its clamp & you are loosing boost pressure.

I took notice of the "chipped" vanes on the intake. Wondering if that is a factor?

Thx for replies. I also think it's fuel related. Has anyone had their fuel tanks steam cleaned? Wonder about cost?