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I did just that and no more issues. Car drives like a charm. Thanks you guys for your help.

They messaged me saying the files might of gotten corrupted. They sent me another file I?ll update you

Yea. I flashed my old tune when I only was fbo and it drove like butter once going, besides the stalling on idle and stuff. I previously emailed gpi my log with the problem and they said there was...

You ended up fixing it?

Car suddenly been running way off for the past 2 days dont know why. I've replaced tb, maf, map sensors nothing. Car has btr stage 1, headers, lt2 mani and rotofab and e85 kit. on the 5:15 minute...

Had my car cammed for the past 400miles or so and getting it remote tuned by gpi. So today i took out my slicks and put on my 1le stocks abd flashed my 2nd revision. All of a sudden from the night to...

So ive been having this problem where my 04 silverado has been surging only on park. I already cleaned the maf sensor. checked for leaks after the maf, air leaks. Once i put it on reverse or drive...

Ive been looking for some 212/218 tunes in the repository on hptuners but only stock files are given. What gives?

Its always been an issue but it has been getting more noticeable now at normal driving and hard pulls and reverse. It feels like its pulling timing or a cut in fuel all through out the rpms range and...

Ill collect some wot so see the airmass and log it.

Its a 04 silverado 5.3 with a texas speed stage 2 212/218 highlift with headers and true dual exhaust. The problem is i feel like i have no power under 3000rpms. I cant even do a peel out. It pulls...