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Thread: truck boggs and dont wanna run?

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  1. #1
    Join Date
    Dec 2007
    Location
    wichita falls, tx
    Posts
    3,067

    truck boggs and dont wanna run?

    sometime while driving my truck boggs down and blows black smoke and wont accelerate and if you give it gas in gear it acts like its gonna die....sometimes it dies at stoplights....egr valve?
    ↓↓↓click pic to go to garage↓↓↓

    408, WCCHL92s, nelson tune,4L80e 3600 Circle D,
    Intro Radicalli's

  2. #2
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    Do you still have the water temp sensor problem? If it thinks its overheating, thats the PCM loading the engine up with fuel to cool it down.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  3. #3
    Join Date
    Dec 2007
    Location
    wichita falls, tx
    Posts
    3,067
    i unplugged the coolant temp and it still jumps around but most of the time reads zero....i think the harness has a short in it....when it bogs it shifts real hard from 1-2....thats y im thinking theres something wrong with the egr also.
    ↓↓↓click pic to go to garage↓↓↓

    408, WCCHL92s, nelson tune,4L80e 3600 Circle D,
    Intro Radicalli's

  4. #4
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    That is often caused by a bad TPS, hard shift from 1 to 2.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

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