Posted 2/23/2017 10:03 (#5857857 - in reply to #5857847) Subject: RE: 2012 silverado with 5.3 litre getting 10 highway mpg
SW MN
Time to move up the ladder.. Get GM involved. Was this truck bought used or new? If used, look for history of work on truck. Keep records of Everything, all conversations, times, dates. ect.
2012 silverado with 5.3 litre getting 10 highway mpg
