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Marietta Performance Chips

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Latest Customer Reviews

Range Active Fuel Management Disable Device Reviews


Great Product

Reviewed By Lawrence D (Salem, NH) Reviewed for a 2011 Chevy Tahoe —7/29/2015 2:13 PM

I was tired of using manual M5 to disable V4 mode every time I got in my truck. This Range devise does a excellent job of disabling V4 mode. I don't care about mileage because if I did I wouldn't have bought such a large vehicle but I have not noticed any difference so far because the truck has a six speed transmission. I could feel the V4 mode going in and out all the time and the vibration that happens because of it. This is a great product and I got for a great price on Auto Anything.

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Range Active Fuel Management Disable Device Reviews


Doesn't work and no customer support

Reviewed By Gary N (Stillwater, MN) Reviewed for a 2008 Chevy Suburban —7/28/2015 11:23 AM

We saw great reviews for this product online so purchased it. Installed easily on our Suburban but doesn't seem to be working. Called for help, said we would receive an email of support and never received it. Good thing there is a warranty. Will be sending back.

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Range Active Fuel Management Disable Device Reviews


Does what it's suppose to

Reviewed By Daniel T (Iowa Falls, IA) Reviewed for a 2011 Chevy Silverado —7/25/2015 10:19 AM

It works likes its suppose to. Shuts off the AFM so the truck is always in 8 cyl mode. It has come loose a couple times though so the AFM kicks back in.

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