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Thread: Need Help w/ E85 AFR to Lambda

  1. #1
    Tuner in Training
    Join Date
    Mar 2012
    Posts
    28

    Need Help w/ E85 AFR to Lambda

    I have an AEM E85 wide band gauge kit on my engine using a 411 PCM. I want to convert to lambda and the instructions show a transfer function as follows:

    AFR = 1.567 * (V) + 4.825

    This is further explained as:

    0.5vdc at 5.6:1 afr E85 to 4.5vdc ar 11.9:1 afr E85

    I need help to set up my EIO to read this as lambda and I need to set up PID's for my scanner to display: lambda, lambda commanded, lambda % error and maybe even a histogram for lambda % error so that I can paste special to the VE chart.

    TIA
    Asteroid

  2. #2
    Advanced Tuner oakley6575's Avatar
    Join Date
    Aug 2011
    Posts
    421
    Also need help with this
    2003 Chevy Silverado Daily Driver, 408 Iron Block,
    LS3 Heads/Intake, 231/239 114, 4L80e, Yank SST 3200.