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Thread: Silverado 2004 6.0 4l80e with cam wont idle rpm fall in gear would appreciat the help

  1. #1
    Tuner in Training
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    Silverado 2004 6.0 4l80e with cam wont idle rpm fall in gear would appreciat the help

    duration 50 ,220.220 intake 527 exhuast 527 lobe 112 center line 108 engine rpms fall very low when put on reverse or drive wont idle and geting error codes on torque connverter and trans 4l80e and torque managment errors
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  2. #2
    Tuner Monty's Avatar
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    Here is my 2004 6.0 4l80e with 219 226 525 112 i had the same problems.. this is what i did to fix, too hard to explain it, so use my tune as a compare file ..

  3. #3
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    thank you the engine sounds alot better but if i go to reverse or any gear rpms still drop very low and i keep gettinng p1689 torque dileverd circuit

  4. #4
    Tuner Monty's Avatar
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    Quote Originally Posted by anayaracing View Post
    thank you the engine sounds alot better but if i go to reverse or any gear rpms still drop very low and i keep gettinng p1689 torque dileverd circuit
    Can i have a look at your new tune file i'll try and help

  5. #5
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    What converter do you have?

  6. #6
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    Is the cam and converter new? Have you re-tuned the base idle airflow for P/N and in gear?
    2004 GMC Sierra 2500HD 6.0/4l80E

  7. #7
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    converter is a brand new 2500 and cam are new yes i have will post the new tune

  8. #8
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    sorry 2000 rpm b&m holeshot12483136_1055733054448473_1103346918_o.jpg
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  9. #9
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    ass soon as i put it into drive the car shuts down the rpms fall to low and i keep geting those codes and randome missfire the silverado used to have 5.3 and i swaped it for 6.0

  10. #10
    Tuner Monty's Avatar
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    found a video series for ya might help https://www.youtube.com/watch?v=5A5U8mIgCU8

    also if you changed any of your trans parameters, change them all back.. and start clean..

    but this video should help you with idle

    peace
    Last edited by Monty; 01-05-2016 at 01:33 AM.