Originally Posted by mx_9
That's where I got the initial tune. I get 5th gear cel's on hard pulls every now and then, warm or cold temps. I don't want to do another 10 hour round trip to get this tuned out.
EDIT:Just to be clear, I am happy with the Topspeed tune. I got tuned with an aftermarket DP and then added the rest of the TBE afterwards, so I made some changes to a set-n-forget tune. You and Ryan have both suggested changing the plugs so that is what I'll start with.
Do you know what code its throwing?