The Range AFM/DFM Disabler allows your V6 or V8 GM vehicle to run in full cylinder mode at all times, preventing the Active or Dynamic Fuel Management system from dropping cylinders. Our patented technology is the only product that will disable Active or Dynamic Fuel Management without reprogramming the factory ECU.
To prevent spending big money on AFM related repairs, the best option is to simply delete or disable the AFM system. Not only is it a good thing to do for preventative maintenance, it also gives you a better exhaust sound and keeps your car in V8 mode at all times.
Does range AFM disabler void warranty?
Meet Range Technology’s answer: the AFM Disabler. Our module is plug-and-play and reverts your vehicle back to stock when removed. Because no tuning is involved with your vehicle’s computer, this product will not void the factory warranty.
The AFM/DFM disabler is a plug-in module that deactivates the AFM and DFM systems in V6- and V8-powered GM vehicles. The module simply plugs into the vehicle’s OBD-II port, making it easily reversible and ensuring it does not void the vehicle’s warranty.
What does a range AFM disabler do? – Related Questions
Will disabling AFM prevent lifter failure?
Can AFM be disabled?
An AFM fileset can be disabled and converted to a GPFS-independent fileset. However, GPFS-independent fileset cannot be converted to an AFM fileset.
Can you get a Silverado without AFM?
Note: Beginning in March 2021, most 2021 Silverado 1500 and 2021 Sierra 1500 pickups equipped with L82 MYC 6-speed and L84 MQE 8-Speed will be produced without Active Fuel Management/AFM (L82), or Dynamic Fuel Management/DFM (L84).
How do I permanently turn off auto stop on GMC?
As stated before, no automotive brand enables consumers to permanently turn off Autostop. However, it can be temporarily disabled by clicking the “disable” or “off” button. Besides this option, Start-Stop has been forced on consumers by automotive companies, who offer no way to permanently disable this function.
How much does it cost to remove AFM?
Price Range: $19 to $66.
What happens when AFM lifters fail?
Any time an engine has failed AFM lifters the lifter guides must be replaced, the lifter bores must be measured, and the VLOM must also be tested for proper operation, or replaced. In addition the VLOM oil filter must be replaced as well.
What year did GM stop using AFM?
General Motors employs a number of different technologies to boost fuel economy, but one of these technologies, namely Active Fuel Management (AFM), has nearly been phased out from the 2022 Silverado engine lineup.
The GM engine lifter defect affects both the 2019-2021 GMC Sierra and Chevrolet Silverado pickups as well as the Chevrolet Tahoe, Chevrolet Suburban, GMC Yukon and Cadillac Escalade and GM models below.
Does AFM hurt engine?
Does Range Technology AFM disabler drain battery?
Our testing has shown that in the normal vehicle, it shouldn’t affect vehicle starting for several weeks HOWEVER very cold or very hot weather can drastically reduce battery capacity, as well as any other accessories or modules in the vehicle that stay “awake” with the key off.
How long does AFM last?
These typically last 2 to 5 days, then go away.
Does AFM cause lifter failure?
Issues with oil cause most lifter faults.
Low-quality oil is one of the leading issues that causes AFM lifter failure. Poor quality oil has more impurities than high-grade oil and can break down quicker, turning into sludge. Sludge is not good for your engine.
What cylinders shut off with AFM?
AFM (Active Fuel Management)
To provide maximum fuel economy under light load driving conditions, the engine control module (ECM) will command the cylinder deactivation system ON to deactivate engine cylinders 1, 7, 6, and 4, switching to a V4 mode.
Does AFM cause vibration?
Some drivers may also notice a very slight vibration in either the accelerator pedal, floor pan and/or the steering wheel. This is a normal condition for AFM equipped vehicles and no repairs should be attempted.