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Thread: LBZ DTC P0108 after tuning ....... any thoughts?

  1. #1
    Tuner in Training
    Join Date
    Sep 2008
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    49

    LBZ DTC P0108 after tuning ....... any thoughts?

    I've just tuned an LBZ truck and its running really great but it's throwing a
    P0108 Map sensor high voltage code. I've read a thread somewhere about a predator handheld tuner doing this same thing before. Does anyone have any ideas? I don't really want to disable the ses for this code if I can "fix it" properly.

    Thanks in advance!

  2. #2
    Tuner in Training
    Join Date
    Jul 2008
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    21
    My LMM was throwing this code after a began throwing more to my tune and unfortunately I had to disable it. Basically the map sensor can't handle the quick increase in pressure and throws the code consistently under hard acceleration. I researched this code thoroughly before deciding that disabling it was the only way around it. I did this about a month ago and have no other issues. Good luck!

  3. #3
    Advanced Tuner Programmer's Avatar
    Join Date
    Jul 2007
    Posts
    244
    Did you raise the high fail voltage or the timer instead of just 'shutting off' the code ?