Anyone have problems with check engine light, have had front air shutters replaced 10 days, worked for a while, about 800 miles, engine light again, no related codes, cleared, back to dealer , fans running wide open in 25 degree weather, temp gage not even registering. 9days in shop, short in...
had mine since end of Feb, around 6k, no issues have bested 30 mph hwy couple times, but love the truck GMC Denali picked up when in Florida love that power, set it north of 80 back to Minnesota, very quiet.
I have tried to order Mobil1 ESP X2 0-20w , my GM dealer want $11.00 a qt. and $26 for filter. First oil change I had them do at 5k miles was complimentary, but I want to do my own service in the future. Anyone been able to get the recommended Mobil 1