2011 GMC Acadia misfire at idle

Asked by Oct 01, 2014 at 11:03 PM about the 2011 GMC Acadia SL

Question type: Maintenance & Repair

I have a 2011 GMC Acadia that misfires on cylinder #3. I have had diagnostics done,
which lead me to replace the plugs and intake gasket. This did not correct the problem. I
am now going through the process of elimination. My next move will be to replace the coil
pack on that cylinder. Any advise would be helpful.

2 Answers

20,160

Unless you have over 100,000 miles it should still be under GM's drivetrain warranty.

25

I had a similar issue with an Acadia under warranty, the dealer could never find an error code (2 incidents) so I tried a different brand of gasoline, never had the problem since.

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