Review on Qzucar Active Fuel Management (AFM)/Dynamic Fuel Management (DFM) Disabler for V6/V8 GM Vehicles - RA003 by Loud Forrest
Disables AFM on Fuel Injection
Connected to the OBD2 port disables AFM so it will not disable your 1 4 6 8 cylinder in your 5.3. I didn't run long enough to see the MPG change on my 5.3 Avalanche.
Pros
- Cool
Cons
- Doubtful
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