Rob, I have been in touch with your tuner (Jon) all day (about a dozen emails). It is strange that he is seeing MAF sensor issues, and having the voltage peak and hold at about 4.5V. Something is def. off with that.
I have contacted two of the best UpRev tuners that I know, and both agree that the OEM MAF sensors are good to almost 600whp with the charge pipe size that comes with the kit. Perhaps there is a parameter in UpRev that is not adjusted properly...?
What fuel was the car tuned on?
Last edited by Boosted Performance; 03-09-2013 at 01:33 AM.
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