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Thread: Having trouble keeping this one idling.

  1. #1

    Having trouble keeping this one idling.

    2012 1500 that had a 6.2L swapped into it, with a camshaft that should have never existed. (Somebody thought they would experiment on this truck, a 220intake duration 244 exhaust, on a 116). It does sound mean as hell, but I can not keep it from stalling when coming to a stop. I have not worked with these newer PCMs yet. I have the truck running very well, fuel trims are great, but I do not see what I need to change for idle air flow, and dashpot functions, any help would be great. Thanks.
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  2. #2
    Tuner in Training
    Join Date
    Dec 2015
    Posts
    38
    Look for a table under the trans tune for enable temp for TqMgmt or something close. I don't have my laptop and can't remember the exact name

  3. #3
    Tuner in Training
    Join Date
    Jul 2017
    Posts
    10
    Bump

  4. #4
    Advanced Tuner
    Join Date
    Jan 2009
    Posts
    792
    You may just still need more min idle air. A log or two would REALLY help though.

    Download a stock '12 6.2 file and get some more of the tables closer to a stock 6.2. Throttle follower is really low, idle spark is low. Copy your high octane table to the idle table to get that closer to what you need. "Dashpot" functions would be the throttle follower and min air basically. Bump up the min air and get the throttle follower values more positive around and below your desired idle speed.
    Check out my V8 Sky build video. It's pretty cool!...

    https://youtu.be/2q9BuzNRc3Q

    https://www.youtube.com/user/gmtech16450yz