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Thread: Why do I not have 5v coming from B12 (MAF Signal) at the ECM?

  1. #46
    Fuel Injected!
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    Checked out ZEDRATED's log. How about a log of a car similiar to mine that is running perfect, so I know what I should be shooting for...or something close?

  2. #47
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    Awesome that you can run their logs! Man I have got to get mine UL'ed.

  3. #48
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    nobody has one thats running perfect, thats why everyone is all here

    besides tbh is there really any such thing as perfect tune? perfect in whos eyes?
    a tune that is everything one person wants very well may not be a tune another would want.

    and speaking of dashes, i'm thinking Robert should get me one of those cool blue nightime dashes made up.
    Last edited by xtreamvette69; 08-30-2013 at 09:11 AM.

  4. #49
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    my night time dash LOL.its also black to match our forum colour im not sure on the green yet
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  5. #50
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    Quote Originally Posted by BurgerWorld View Post
    With WinALDL, I would set the TPS to .54 according to WinALD and the VOM at the TPS pigtail would then show .22v.
    more evidence to suggest to me that your meter is off. winALDL reports exactly what the ECM sees. if you want to see what the ECM is seeing for MAF voltage, you could temporarily connect the B12 pin to the TPS pin(with the TPS and MAF disconnnected, obviously) and you'll get the voltage that the ECM is seeing with nothing connected.
    1995 Chevrolet Monte Carlo LS 3100 + 4T60E


  6. #51
    Super Moderator Six_Shooter's Avatar
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    I agree with Robert, your meter is out of calibration, there is high resistance in the leads, or your grounding point is poor.
    The man who says something is impossible, is usually interrupted by the man doing it.

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