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Thread: p0068 still after boosting

  1. #1
    Tuner in Training
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    p0068 still after boosting

    if you fast forward to 10.50 in to the drive you will see it goes int to limp mode... any ideas wood help
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  2. #2
    Senior Tuner Lakegoat's Avatar
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    According to the scanner, you are at 15# boost at 2300 rpm and 2.33g of cyl airmass and 51% throttle. That doesn't look right. Can you post a copy of your tune? What map sensor do you have?
    2000 Camaro SS 2015 L83 port injected, Whipple 3.0, 4L80E, 8.8 Ford
    2013 Silverado 5.3, 6L80k 8.8

  3. #3
    post tune
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  4. #4
    What are the modifications exactly? Have you changed the throttle body?
    Calibrator By Day, Student of the Game at Night.
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    Want to Learn Hands On? I Offer Remote Tuning Email Me at [email protected]

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  5. #5
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    stock motor bigger injector 70 mm turbo
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  6. #6
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    sorry for the delay.. it might be boosting past the 2bar map capabilities i have a intake blow off value and exhaust waste gate. my truck is a 04 silverado and if i remember right 2 bar is max for the ecm. is there a way to get past this i heard of people doing it but dont know how

  7. #7
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    i have posted tune and that is correct boost goes way up there at half throttle i have a manual gauge to verify running cts stock map sensor

  8. #8
    Senior Tuner Lakegoat's Avatar
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    What is the part number of the map sensor? Your 55# injectors are probably too small for what you are doing. Monitor injector duty. Your PE table is a little off. If you are hitting boost at 2400, then you need to be in PE earlier. Do you have a boost referenced regulator?
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    2000 Camaro SS 2015 L83 port injected, Whipple 3.0, 4L80E, 8.8 Ford
    2013 Silverado 5.3, 6L80k 8.8