Hi All
Is there alcohol in the fuel Mine has about 1. to 2. MPG difference
with Pure GAS versus 10% alcohol even worse on E 85%
Also winter fuels make Big changes
Good Luck
This is one of the reasons GM was going to ofter the 4.5 DuraMax Diesel
in these Trucks would be good for mid...
AC / Heat
Hi All
Mine will go to full heat on one or sometime both sides sometime passenger
Sometime driver side Most times if I shut down the truck and restart a few times it will work ok But always worry it will not reset Any Thoughts???
Thanks
Michael
2004 Yukon
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