Rear O2s high flow cats.
#1
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Join Date: Mar 2005
Location: Long Island, NY
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Rear O2s high flow cats.
So I have high flow cats on the car now and now the brand new rear o2s report p0157. When the service engine light comes on it will take me 3 tries to start the car up and then the dash lights flicker service engine light goes away car runs fine until all sensors are registered again. I found that if i clear the codes before I try and start the car again it's fine. Should I have the rear o2s tuned out.
#4
Yes get rid of the rear o2s unless u have to pass strict emissions. and if that's the case then get ahold of some O2 simulators so they show a reading when doing the inspection. Tuning them out and removing is best if inspections aren't an issue