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diag. for misfire after crank sensor replacement

831 Views 2 Replies Latest reply: 2022-01-20 15:52:55


  •   Level 1   
    (5) points
    SHAWN Wise
    2022-01-18 00:31:59
    Why is it now that I changed the crank sensor on a 98 GMC Sierra 5.7 liter I have a misfire cylinder 7 now. Can't figure it out. Tried everything I know of.

    Tags: maxicheck

    Reply

  •   Level 1   
    (3) points
    jtizzy

    2022-01-18 15:19:35 (Reply to:SHAWN Wise)

    Spider inc,try a bleed down test
    Reply

  •   Level 1   
    (3) points
    Paul Jankowski

    2022-01-20 15:52:55 (Reply to:SHAWN Wise)

     I have a 2014 GMC Sierra 5.3.  I replaced the crank sensor and now I have a P0300 or multiple misfires.  From reading, when a crank sensor is replaced, one must go through a "Crankshaft Variation relearn" .  I came to the site to see if my ML629 can do this, as a diagnostic tool must be used to perform this function.  Good luck.
    Reply
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