Quote:
Originally Posted by jamesm
I never trust dyno widebands. I've seen them read anywhere from 0.5-1AFR point lean. Never seen one actually read the same as an installed sensor. No knock on that tune... still need to do some tweaking though. E-tuning OFT is a major PITA, very hard to 'get right' fwiw lol.
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Curious how accurate is the AFR reading from the ECU via the ODB port? Is it narrow band or wide? For example if you ran the torque app...