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Thread: Data logging

  1. #1
    Fuel Injected! myredprky's Avatar
    Join Date
    Jul 2012
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    Exclamation Data logging

    Please help,while data logiing my 1227727 ecm I have noticed that it keeps droppling into open loop while cruising at 40mph with a lite throttle.Pressing the throttle or lifting the throttle and it drops stright back to closed loop..

    Whats going on ?????
    can anyone help ????

    Cheers IAN...

  2. #2
    RIP EagleMark's Avatar
    Join Date
    Feb 2011
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    North Idaho
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    Os sensor cooling off? Lean Cruise? Open Loop Idle?

    Data log?

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  3. #3
    Fuel Injected! myredprky's Avatar
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    57
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    Thanks will check thelean cruise condition.As far as I know it stays closed loop during idle,can it be changed to open loop and if so where ? .I am using Tunerpro rt.

    Cheers IAN

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