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Thread: Intro: Chevy 350 TBI in a 1993 S10 4x4, tuning the bugs out

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  1. 05-16-2018 #6
    stew86MCSS396
    stew86MCSS396 is offline
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    Quote Originally Posted by Stokes1114 View Post
    What knock sensor are you using? Manual and automatic are different and read differently within the pcm. The knock sensor must match what is on your chip.
    Correct me if I’m wrong, I wouldn’t necessarily say manual vs auto is the deciding factor. Perhaps ECM vs PCM maybe more accurate. If at all possible try to read the resistance of the knock sensor. The 8625 is looking for 4k ohms. If it measures 100k ohms you have the wrong one.

    On second thought having the esc on the memcal vs escm may have a lot to do it.
    Last edited by stew86MCSS396; 05-16-2018 at 11:18 PM.
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