2008-2013 CTS General Discussion
My 2011 CTS4 almost didn't start the other day so I put it on a scanner and it came up with a misfire in cylinder 6. Took it to the dealership to get fixed. It has 85k on it. They changed the plugs and coil packs and gave it a tune-up. Got the car back and drove it less than 50 miles. Last night...