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    2001 lb7 duramax fuel issues.

    Hello all. I recently bought a 2001 Sierra 2500hd. 175k miles. As far as I know all parts in fuel system are factory. Also has a tuner installed, however I rarely use it other than looking at engine info, codes, and injector balance rates. It has a severe fuel problem. No smoke at exhaust and...
    • Arlo75
    • Thread
    • Replies: 50
    • Forum: LB7
  2. A

    New to site

    Hello all. New to group and minimal knowledge about lb7. Bought a 2001 2500hd and I'm having fuel issues. Hope someone can help. Thanks for the chance to ask.
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