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Thread: P11 02-05 Ecotec 2.2ltr

  1. #1
    Lifetime Member GAMEOVER's Avatar
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    Exclamation P11 02-05 Ecotec 2.2ltr

    I've built some stand-alone harness's using the stock Computer but i'm having problems with the fans turning on when they are supposed to be off...I've tried the Hi & Low outputs to the relays but fan's will turn on when they want to or turn on as soon as motor is "ON"....
    Last edited by GAMEOVER; January 25th, 2011 at 01:48 PM.
    2008 2WD Ext.Cab Silverado 1500 6.0 V-MAX E38(L76) & T42(4L70E) MAF Only CL Corvette Servo AFE CAI INNOVATIVE LM-2 WBO2

    FLASHSCAN V2 & AUTOCAL

  2. #2
    Lifetime Member GAMEOVER's Avatar
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    I've checked DTC's, no codes at all...
    2008 2WD Ext.Cab Silverado 1500 6.0 V-MAX E38(L76) & T42(4L70E) MAF Only CL Corvette Servo AFE CAI INNOVATIVE LM-2 WBO2

    FLASHSCAN V2 & AUTOCAL

  3. #3
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    Did you ever find a fix for this? I know the guys over at HPT have fixed it in their OS, so Im wondering if EFi has done the same!?

  4. #4
    Lifetime Member GMPX's Avatar
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    We have not looked any further, development on this PCM has pretty much stopped.
    I no longer monitor the forum, please either post your question or create a support ticket.

  5. #5
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    Ok so does that mean im pretty much screwed ? I have a 01 silverado, is there another PCM i can try to use that will actually function properly with EFans?

  6. #6
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    Quote Originally Posted by 01Blackerado View Post
    Ok so does that mean im pretty much screwed ? I have a 01 silverado, is there another PCM i can try to use that will actually function properly with EFans?
    Im pretty sure no 01 fullsize trucks used the P11 PCM...there are a few ways the LS1 PCM can be setup though to fix this.
    ~Erik~
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