The first Lund FF tune, the car ran great, no issues until the check engine light with codes p0430 and p0420. After the tune update, that's was when the hesitation and popping started on hard acceleration. Nothing else on the car was changed no fuel added and ACL remained at 69%. After sending...
Hey I appreciate the help, I have already done all that except the fuel additives. I think there's something wrong in the tune, the car ran absolutely perfect before with 0 issues.
My car ran perfect with a Lund 93 tune, the issues started with the flex fuel tune. My question Is there anyone out there that has the same mods as my car running a lund flex fuel tune with no issues?
What makes you say that? If you do the math it all checks out. The car really had no more than factory and test miles on it when she came in. After the engine breaks in the car will make more power. We gave you 3 runs made by the same car, on the same dyno and on the same day. Those gains are...