Quote:
Originally Posted by Synack
Not sure why I thought the problem would be fixed with just the wideband being replaced. There is a standard (looks to be) O2 sensor a few inches before the wideband on my manifold and I believe that's the real culprit. I hooked up the Torque app just for giggles and noticed that the O2 sensor thinks it's reading ~14.7 at idle and only barely fluctuates when I rev it, while the brand new wideband is reading mid 12's.
Pretty much a dead giveaway that the front O2 is crap. Not to mention performance has been lacking.
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I should have mentioned it. I was doubting that your tuner was using your aftermarket wideband as the primary input for closed loop operation.