Reviewed By John B (CONROE, TX) Reviewed for a 2008 GMC Sierra —3/27/2015 5:53 AM
I was trying to disable the AFM simply because the switch from 4 back to 8 cylinders was causing my 5.3 to burn oil. Hopefully I've gotten to it before the rings stick. The range device just plugs in and no more 4 banger. Great product and the simplicity is nice.