Originally posted by ttreibel
I think putting a lock on your ODB II port is a bit extreme, after the flash I have noticed no difference in mileage, when I tow hard I get 11-13 when empty on a warm day I get almost 20 and when around town driving normal I get 16-18.
Well it may have been extreme, but I recall 2nd gen guys in here not only losing mileage, but also power after some 'involunatary' flashes... . this was a couple years ago.