Question about Chevrolet 1500

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I got a chevy 1500 turbo diesel it spudders like a fuel problem and uphill loses power and bucks violently thinking bad fuel pump or sending unit already changed filter or also my turbo has gone bad its leaking oil looking for ideas im running out of patience brought it to 4 mechanics nobody can fix

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  • bush4tl Apr 23, 2010

    i know the fuel is dirty from the place i get it i don't have a way to test the psi is that the pump onlong the frame rail in the fuel line

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This sounds like fuel contamination. Has anyone taken a fuel sample? The only other things that will cause these issues are; bad fuel lines(old and seperating), lift pump(test, should be around 4-6 psi), bad fuel tank switch over valve(internal issue), or an internal tank issue dealing with the lines and return hoses. Let me know what you find with the sample and the fuel pressure and then we can procede forward.

Posted on Apr 23, 2010

  • Kori Policy
    Kori Policy Apr 23, 2010

    disconnect the outlet line from the pump and place your thumb over the hole while it is operating. If it fights you, you're good to go. If it dies off and no resistance, replace the pump. Bad fuel will cause this every time. I would personally drain the tank and replace with good clean fuel and see how it runs. It could have water or regular gas which would cause this.

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