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Thread: car starts, then immediately dies after 2bar install

  1. #1
    Tuner in Training
    Join Date
    Sep 2007
    Posts
    38

    car starts, then immediately dies after 2bar install

    Hey guys, I figured i'd hop on here and pick some brains. I'm not new to HP tuners or SD tuning on these cars so i'm lost. It could be lack of sleep

    I built a turbo trans am, had the motor out, swapped cam and heads, blah blah blah. Its a 02. I got it all together, and loaded up 2bar OS, went in and changed everything like it should be, and the car starts up and dies. It starts and sounds like its gona run fine, fires right up. If I give it throttle it does nothing, just bogs.

    I've looked through the tune 1000 times and cant figure it out. It has a gm 2bar Map,I even threw the stock one on and it did the same. It acts like it shuts off the injectors as soon as it starts to me.

    has 58lb fuel pressure steady
    MAF fail high-0
    po101-first error

    tried adding to VE by up to 40%, and taking away 20%

    I need to upload the file, I just did to repository but its not there yet

    any help greatly appreciated
    2000 z28 race car
    85 mustang Ls turbo

  2. #2
    Senior Tuner
    Join Date
    Feb 2009
    Posts
    1,931
    attach the tune here, as well as the part number on the map sensor

  3. #3
    Tuner in Training
    Join Date
    Sep 2007
    Posts
    38
    2000 z28 race car
    85 mustang Ls turbo

  4. #4
    Senior Tuner
    Join Date
    Feb 2009
    Posts
    1,931
    A log would be helpfull, as nothing really stood out for your problem. Your VE table is going to cause you grief when you get running. Take the stock one and past into stock location. Take the last line, copy it, go to the bottom line and paste. Mulitply by 25%. Interpolate the data between. Also, what part # map?

  5. #5
    Tuner in Training
    Join Date
    Sep 2007
    Posts
    38
    The problem is it wont set po101
    2000 z28 race car
    85 mustang Ls turbo

  6. #6
    HP Tuners Support
    (foff667)
    Bill@HPTuners's Avatar
    Join Date
    Jun 2004
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    Hailing from Parts Unknown
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    28,268
    Try inserting a valid maf table
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"

  7. #7
    Advanced Tuner
    Join Date
    Aug 2010
    Posts
    212
    the same thing happened to me when my map wasnt even plugged in. you may want to verify the wires

    00' WS6 370/PT4788/TH400
    99' T/A N20