Alero Misfire

Nuk714Nuk714 Member Posts: 1
edited March 2019 in Oldsmobile
I recently changed my spark plugs and wires because of a misfire on #5. Adter changing plugs and wires its still misfiring on 5 and has a knocking sound..


  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaMember Posts: 64,482
    You might switch out two of the coil packs and see if the misfire code follows the misfire to the other cylinders.
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