can the HP VCM disable Active fuel management on gm vehicles like my 07 Yukon xl 5.3?
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can the HP VCM disable Active fuel management on gm vehicles like my 07 Yukon xl 5.3?
yes goto fuel>COT lean cruise
Yup, just set the enable to disable and that's it. Nothing else to do but flash the tune to the truck and you are on your way.
thanks, but I'm a little too late as my engine now has a collapsed lifter