Actually I think I may know the answer. Should have read down a few posts and checked my cigarette fuses. I'm going to check those and cross my fingers. Great forum!

I have a U7193X with the newer revision. My truck is a 2004 GMC Sierra with the 4.8L V8. The other day I tried to hook it up to my truck just like every other time in the past, except this time it didn't work. By that I mean, when I plugged it in, nothing happened. The Tuner screen didn't light up ...

I'm a dealer for GMC, Buick, Nissan, Subaru and soon to be Dodge, Chrysler, Jeep again. How can I get access?

Thanks for all the tips and the help! I made the changes and I'm taking a drive to KC tomorrow night after work. It's about a 2 hour drive down I-70 so I'm going to do a longer log and see how everything looks. I really appreciate the help, and we'll see how she works!

I dropped the WOT fuel 5% in each of the rpm ranges. Do you think I need to do anything with the WOT spark advance?

I actually had to drop it 11% does that matter on the rpm range for the WOT/PE fueling or should I still do -5%? Also what settings do I change to change for the WOT/PE on the tuner. Sorry I'm still new at the whole tuning thing...

Thanks for the advise. I followed your directions and my ltft's were at over 10 to start with and now are between -.76 and 0 for both banks. Is there anything else I should do to improve performance more?

I'm new to the forums and just got my predator earlier today. It is a U7193 with the latest 9r08 revision. It's going to be used on an 04 GMC Sierra Regency RST with the 4.8L V8. I'm pretty excited to get to try it out on my truck.

My question is, what settings should I adjust on my tune for my ...