M Magkas New member Joined Nov 22, 2015 Messages 4 Reaction score 0 Points 0 Apr 23, 2017 #1 I have a 2015 Sierra Denali with the 6.2L motor. It has a miss at idle and after two visits to the dealer they tell me it is normal. Does anyone else have that problem?
I have a 2015 Sierra Denali with the 6.2L motor. It has a miss at idle and after two visits to the dealer they tell me it is normal. Does anyone else have that problem?
