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Thread: P0299 code

  1. #1
    New Member
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    Aug 2010
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    Default P0299 code

    I seem to keep throwing the p0299 code on my lly which sends it into limp mode and I was wondering if there was any way to fix that in the tables?

  2. #2
    Lifetime Member vortecfcar's Avatar
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    Apr 2007
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    P0299 is set when the truck cannot reach it's desired boost number. This may be because the desired boost is set too high, or because there's an issue with the induction or vane actuation system causing the turbocharging system to lag behind the desired boost level. If you want to send the tune you're running in the truck to me (Nick@duramaxtuner.com) I'll take a look and see if I can decipher if
    Nick

  3. #3
    Lifetime Member killerbee's Avatar
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    Jan 2006
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    1,050

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    Return to factory tuning to see if it goes away. This will help determine if the problem is hardware related or not.

    If it is tuning related, it is possible that your allowable vane position can't support the requested boost numbers.
    Michael, Systems Engineer 04.5 D-max LLY, Phoenix, Arizona Email
    Custom Tuning Services
    DURAMAX/CUMMINS ECM's TCM's for sale, all years, 20% wholesale discount available
    EFILive's first VGT "Software Wastegate Tune"

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