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obd 2 scanner

  1. 1998 chevy s10 4.3 automatic. power to OBD2 port but error reading

    S10 / S15
    I have this 1998 s10 with the check engine light so I hooked up the obd2 scanner and it reads half way before error. its 4.3 vortec 2wd. Replace PCM and it has power at 3 ports. Unplugged all engine sensors one at a time to see if it was a short but still hasn't worked. Checked air bag and seat...
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