OBD1 Trouble codes

Discussion in 'General Chevy & GM Tech Questions' started by cyberpine, Oct 21, 2009.

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  1. cyberpine

    cyberpine New Member

    Good source for info on DTC OBD1
    http://www.troublecodes.net/GM/


    Getting 34
    MAP sensor(voltage low)
    MAF sensor


    I found the oil pressure sending unit, but can't reach it (6'2, 250).
    Last edited by a moderator: Oct 22, 2009
  2. wannabe

    wannabe New Member

    I have the same problm, exactly. :lol:
  3. Johan King

    Johan King New Member

    check your egr valve that could be worng some time that give that code
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