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Reply To: 2010 GMC AFM lifter failelure. Replaced, still misfiring.

Home Forums Stay Dirty Lounge Service and Repair Questions Answered Here 2010 GMC AFM lifter failelure. Replaced, still misfiring. Reply To: 2010 GMC AFM lifter failelure. Replaced, still misfiring.

#954381
Nightflyr *
Richard Kirshy
Participant

You show a high of 190 and a low of 167, That is beyond the considered “normal” tolerances when doing compression testing.
Along with that, you show a low (relative) compression on cylinder 7 which happens to be the cylinder that is misfiring.
BTW … what is the vehicles mileage???

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