Reviewed By Jeremy r (KYLE, TX) Reviewed for a 2009 Chevy Silverado —2/18/2018 3:30 PM
I had to replace my lifters so I learned my lesson and bought one of these rangefinders. which has prevented the AFM from activating keeping my vehicle in V8 mode. If you have a Chevy 5.3 with AFM and you don't buy this. don't say I didn't warn you.