[Tjcin]

I just bought a 2022 Yukon with a 5.3l and I think the DFM might be disabled. How do I know?

 

[Blue Diamond]

I just bought a 2022 Yukon with a 5.3l and I think the DFM might be disabled. How do I know?

They do not make the disabler for a 2021-2022 Tahoe/ Yukon so I doubt it has been disabled. It's called a AFM/DFM fuel management disabler.

 

[Joena456]

They do not make the disabler for a 2021-2022 Tahoe/ Yukon so I doubt it has been disabled. It's called a AFM/DFM fuel management disabler.

Yeah!