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Burned · 10-21-2010, 01:19 AM

Sometimes a faulty O2 sensor is not bad enough to set an O2 sensor code but is off just enough to affect the accuracy of the catalyst monitor.

10-21-2010, 01:19 AM	#3 (permalink)
Burned EcoModding Lurker Join Date: Oct 2010 Location: Vancouver, BC Posts: 7 Thanks: 0 Thanked 0 Times in 0 Posts	Its not always what it seems Sometimes a faulty O2 sensor is not bad enough to set an O2 sensor code but is off just enough to affect the accuracy of the catalyst monitor.