- Nov 26, 2011
- 23
- 0
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I bought an x pipe and a predator tuner U7140 and scrolled through the menus and could not find an option for turning off the rear o2 sensor. Yes I looked under OBDII and all there was exhaust temp and catalyst temp. Are these what I need to turn off? Also, I would like to keep the 93 octane tune, but it looks like I can only modify the factory settings.