Quote:
Originally Posted by FR-S2GT86
Glad you got it solved.
The lesson here is that even though there's no CEL or diagnostic code, that doesn't rule out a bad part. Data logging is your friend and should always be used as a tool to help you figure out the problem when your engine seems to be operating incorrectly.
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Yes, there was no CEL code while i was with the OFT stage 2+ tune. Last December, when i flashed back to OEM tune and took it to the dealer, i got code P219A "Bank 1 air fuel ratio imbalance" Idk what this meant, i thought this was due to my catless header and running with stock tune.
One thing to point out, is that I also contacted OFT support. Their support team mentioned that they 'disable' some codes while on Stage 2+ tune. Im not sure why they do this. I think that if those codes where not disabled, i could have found the problem much faster.