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Thread: Cam Swap no power in Gear

  1. #1
    Potential Tuner
    Join Date
    Apr 2021
    Posts
    2

    Unhappy Cam Swap no power in Gear

    Recently did a AFM and VVT delete with a TSP stage 3 cam on a 2010 GMC Sierra 5.3 LC9. The truck is running and idleing great and has great throttle response in park and neuatral. However, in gear the throttle response is horrible and shifts like crap. HELP PLEASE!!!!!
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  2. #2
    Tuning Addict 5FDP's Avatar
    Join Date
    May 2012
    Location
    Rogers, MN
    Posts
    13,533
    The AFM/DoD is still enabled in that tune. Code P3449 is still on too for cylinder 7 valve control circuit.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.