I live in the springs were you tuning at? would have been cool to meet you well look forward to getting it all fixed thanx again.

I need the performance map for the flx tuner that is for the 5.3 gmc sierra 2004 . I spoke with andy at rune85 he said he would send one to me because he said the one that came in my tuner was wrong map. Could some one send it to my email [email protected] or point me were to get it my truck runs ...

I have a 2004 gmc sierra and the flx controller. I have had a little over a month and I am lossing 32% fuel mileage and it is very hard to start in the mornings and it summer so I would guess it wont start on e85 in the winter. I have changed my plugs and fuel filter and cleaned airfilter. thanx for ...