Presently at work, waiting for tow truck. Started the Yukon remotely and when I got close it started knocking. All kinds of lights and then the CEL, idling super-rough. Suspecting lifter failure (21K on the odo). Anyone using the range Tech. AFM/DFM delete? I had one in my 2018 Tahoe but when I got this truck, I called Range Tech. and they hadn't developed one yet. I see now they have one for sale, anyone using it?
Range Technologies for 2021 Yukon
- Thread starter jasonp
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DFM disabler released
Looks like Range has finally released their DFM disabler https://www.rangetechnology.com/products/dfm_module/parts/RA007
www.tahoeyukonforum.com
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