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LaceyGutierrez
Reviewed in the United States on March 19, 2025
I installed this on my Yukon, and the improvement is remarkable. The engine runs smoother, and the throttle response is much more responsive. I no longer have to deal with the annoying AFM system kicking in and out, which makes driving so much more enjoyable. The fact that it’s a non-invasive solution and doesn’t require any reprogramming is a huge plus. It’s a high-quality product that does exactly what it promises.
JasminPham
Reviewed in the United States on March 19, 2025
I bought this for my Sierra 1500, and it’s been fantastic. The disabler prevents the engine from dropping into eco-mode, which has eliminated the lag and hesitation I used to feel. The installation couldn’t be easier—just plug it in, and it starts working immediately. I also appreciate that it doesn’t require any permanent modifications, so I can revert to the original settings anytime. This is a must-have for anyone with a GM truck!
LeonardFrye
Reviewed in the United States on March 19, 2025
This disabler is a lifesaver for my Tahoe. The AFM system was driving me crazy with its constant switching between cylinders, causing jerky acceleration and reduced performance. Since installing this device, my SUV runs consistently on all cylinders, and the driving experience is so much better. The plug-and-play setup took less than a minute, and it works flawlessly. I’m very impressed with how simple and effective it is.
AmberHahn
Reviewed in the United States on March 19, 2025
I’ve been using the AFM/DFM Disabler for a month now, and I can’t believe the difference it’s made in my Silverado. The throttle response is instant, and the engine runs so much smoother without the constant cylinder deactivation. It’s incredibly easy to install—just plug it into the OBD-II port, and you’re done. I also love that it’s reversible, so I can remove it anytime without affecting my truck’s warranty. Highly recommend this to anyone with a GM vehicle!
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