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6.5 td goes full throtlle?

This is a discussion on 6.5 td goes full throtlle? within the Duramax Forum forums, part of the General Discussion category; i have a 94 6.5 turbo diesel in a gmc 3500, and it suddenly went full throttle and i shut ...

  1. 01-24-2011, 11:45 AM #1
    zakmann
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    Unanswered: 6.5 td goes full throtlle?


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    i have a 94 6.5 turbo diesel in a gmc 3500, and it suddenly went full throttle and i shut the truck off immediatly, it happened twice and after it hits full throttle you can barely drive it, its bogs like crazy, any ideas? i dont want to drive it untill i figure out whats wrong
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  2. 01-25-2011, 03:19 PM #2
    thefermanator
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    Re: 6.5 td goes full throtlle?

    Sounds like teh fuel armature screw inside the fuel solonoid in the end of teh injection pump has broken off. This does happen and uncontrolleable throttle is what normally happens. There is a slim chance it could be a failed PMD/FSD though as well as an ECM problem.
    1995 GMC 2500 SUBURBAN, DURAMAX/ALLISON, 3.42 gears, 261 T-case, ALTO's for C1-C4, PI ML converter, DIAMONDEYE 4" exhaust, CORSA muffler, AFE stage 1 dry filter, EFILIVE, KENNEDY single pump, pump rub kit.

    http://www.thetruckstop.us/forum/sho...URAMAX-ALLISON
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  3. 01-25-2011, 03:33 PM #3
    Macedawg
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    Re: 6.5 td goes full throtlle?

    Quote Originally Posted by thefermanator View Post
    Sounds like teh fuel armature screw inside the fuel solonoid in the end of teh injection pump has broken off. This does happen and uncontrolleable throttle is what normally happens. There is a slim chance it could be a failed PMD/FSD though as well as an ECM problem.
    read your build thread..cool build man
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