Lupo222
forum member
Tune it and just return to stock and then disconnect your battery for 20 minutes before taking it in for warranty. Wipes the ecu...at least it did on my f250
Tune it and just return to stock and then disconnect your battery for 20 minutes before taking it in for warranty. Wipes the ecu...at least it did on my f250
from what i heard they can still tell u had a tune.