MitsuStyle - View Single Post - New rear O2 sensor for "Catless" exhaust or not?

**Shane@DBPerformance** · 03-31-2005

The rear O2 sensor is only there to see if the cat is working or not, it doesn't effect the way the car runs. You should have the oxygen sensor DTC checked in DSMLink, to keep it from throwing CELs.

03-31-2005	#2
Shane@DBPerformance formerly ecoli Join Date: Oct 2003 Location: On the dyno Posts: 4,892	Re: New rear O2 sensor for "Catless" exhaust or not? The rear O2 sensor is only there to see if the cat is working or not, it doesn't effect the way the car runs. You should have the oxygen sensor DTC checked in DSMLink, to keep it from throwing CELs. __________________ www.dbptuning.com