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Thread: LM-1 vs. HPT input

  1. #1

    LM-1 vs. HPT input

    My LM-1 is set for 0-5 V = 10-20 AFR using the preconfigured input that is already created.

    Raw voltage is roughly 2.1.

    At idle, my A/F is 14.7 while the HPT input shows mid 17s for A/F. The A/F varies on the HPT display, as if it is getting a reading. Also, I've had this thing working before, about a year ago. But, I've had trouble since day one. I know there is hope.

    Please help,

    Kyle
    2000 Silverado : 5.3L/4L60E
    .....'01 OS, OLSD tuned w/ LM-1 WB
    .....220 cam, Yank3600, 4.10s
    12.88 @ 104.8 (1.85) NA

    2003 Corvette Z06 : 5.7L/MN6
    .....OLSD tuned w/ LM-1 WB
    .....AFR225s, 224cam, FAST90
    11.33 @ 123 (1.7) NA

  2. #2
    Advanced Tuner
    Join Date
    Dec 2005
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    Sweden
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    Quote Originally Posted by Sport Side
    My LM-1 is set for 0-5 V = 10-20 AFR using the preconfigured input that is already created.
    HPTuners isnĀ“t preconfigured like that... or?
    Black Pontiac Trans Am WS.7- Runs on E85

    And soon to be powered by Twin Turbos.

    How to run your LS1 on E85

  3. #3
    It's a preconfigured sensor, whereas you don't have to create a custom PID... The LM-1 has to be set up correctly, however using (0-5V = 10-20AFR).
    2000 Silverado : 5.3L/4L60E
    .....'01 OS, OLSD tuned w/ LM-1 WB
    .....220 cam, Yank3600, 4.10s
    12.88 @ 104.8 (1.85) NA

    2003 Corvette Z06 : 5.7L/MN6
    .....OLSD tuned w/ LM-1 WB
    .....AFR225s, 224cam, FAST90
    11.33 @ 123 (1.7) NA

  4. #4
    Senior Tuner Mep_q8's Avatar
    Join Date
    Mar 2006
    Location
    Kuwait
    Posts
    1,564
    try and do a free-air calibration... maybe re-install HPT, thats what im gonna do, my WBO2 can't even be read now!... the WB02 scanner reads 5AFR less then what the HPT scanner displays....

    Bader Norris
    MEP Tuned
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