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Thread: 94 - 95 LT1 Knock Sensors

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  1. #1
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    Quote Originally Posted by dave w View Post
    My question is: Will a 94 - 95 Camaro Flash correctly work with TWO knock sensor ... IF the the LT1 computer has the B-Body 16188309 Knock Sensor Module and TWO B-Body knock sensors installed and wired?
    Yes it will, BUT you have to adjust the diagnostic voltage threshold like in B-body bin. I'll give you details in a moment.

    EDIT: value "20B8 vs knock sensor voltage 2" in EEXTRA xdf should be 0.508 for two knock sensors and 0.933 for one knock sensor.
    Last edited by dzidaV8; 02-10-2020 at 04:18 PM.

  2. #2
    Super Moderator dave w's Avatar
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    Quote Originally Posted by dzidaV8 View Post
    Yes it will, BUT you have to adjust the diagnostic voltage threshold like in B-body bin. I'll give you details in a moment.

    EDIT: value "20B8 vs knock sensor voltage 2" in EEXTRA xdf should be 0.508 for two knock sensors and 0.933 for one knock sensor.
    Thank You!

    dave w

  3. #3
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    Quote Originally Posted by dzidaV8 View Post
    Yes it will, BUT you have to adjust the diagnostic voltage threshold like in B-body bin. I'll give you details in a moment.

    EDIT: value "20B8 vs knock sensor voltage 2" in EEXTRA xdf should be 0.508 for two knock sensors and 0.933 for one knock sensor.
    Oh wow I didn’t know the PCM actually had something in the code that affected operation of the knock sensor circuit. I thought all of that was self-contained in the knock module. That’s awesome information!

    You wouldn’t happen to know how the knock module itself functions internally, would you? Or say, pinouts?
    1990 Corvette (Manual)
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