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DFW02S · 05-01-2012, 08:07 PM

Have you ever heard of that?
It apparently happened to my car.

To be clear, it was both pre-cats and one secondary.

05-01-2012, 08:07 PM	#1
DFW02S Registered User Join Date: Nov 2010 Location: DFW Posts: 381	3 O2 sensors fail at once? Have you ever heard of that? It apparently happened to my car. To be clear, it was both pre-cats and one secondary. Last edited by DFW02S; 05-01-2012 at 08:10 PM.