Reviewed By LAWRENCE M (COLUMBIA, PA) Reviewed for a 2008 Chevy Avalanche —12/15/2016 11:32 AM
Plugged my Range in right away, started driving, no more dropping into four cylinder mode! No change in fuel mileage. Exactly what I wanted & expected. Newly rebuilt engine in my truck 4 months ago I believe due to the AFM. Gonna keep truck till I go,so we'll see!