Lean cruise

[jimmyjon]

I have 02 yukon denali with a 6.0 I am using HP tuners. There is an option to turn on a lean tune for foreign vehicles I guess. The option is there and I can turn it on but it will not actually turn on when I tell it to. Anyway to get this to work on a US vehicle?

[8SecSleeper]

You need to patch the file so it actually uses the lean cruise routine.

[jimmyjon]

Is there somewhere you can point me to explain that? Not experienced with patches.

[80gus]

as far as im aware none of the US files will activate, i know 2001 express van actually kills the motor when activated. Try Aus operating system ie commodore ect PM me if you need a file to try.