Originally Posted by tom2112
That's interesting that yours started after your tune. So did mine. Had you done any other mods right before the tune?
no yet two other xfires havethe same tune and no codes on them,, it may be the way you drive,, I can tell you this the best MPG i get is 12, yet my wife fets 22 when she drives it ,, that should tell u how i drive,, Idle or wot that is it. jim