I have driven it about 30-40 miles when I had it at -9. I just made the -6 change yesterday but haven't driven more than 10 miles. I think my AC/power steering problems are because of the idle issue. Normally when I come up to a stop, the idle slowly goes to about 500-600 rpm. It seems to just go ...

I am having issues with my vehicle at low speeds after adjusting my LTFTs. I follow the instructions (which are very well written and wish the manual was more like) by Lew and after doing so I noticed at low speeds and idle my vehicle is having issues. The AC gets warm, the RPMs go to 500 almost ...

I have a GM Denali 6.0 and just bought my Diablo (U7195) earlier this week. I installed the performance tune and took a little road trip to test it out. After driving for 45 minutes on the freeway, I noted my LTFT's were running at +12.5% pretty consistently at 80mph. I also noticed my O2 readings ...