Chevy and GMC Duramax Diesel Forum banner
1 - 1 of 1 Posts

· Registered
241 Posts
I would be carefull when you want to get it reflashed. I took my truck in for recall and they went ahead and updated mine. After that my fuel mileage went to%#$%. It runs great but it ran great before I did it too.
1 - 1 of 1 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.