Engine light: OBD P0420
Hey everyone.
Did anyone encounter this code P0420. The reader says "Catayist Efficienty Below Threshold (Bank 1). I thought it would be the O2 sensors or my catayist converter. Just asking any anyone who encountered this, thanks.
Did anyone encounter this code P0420. The reader says "Catayist Efficienty Below Threshold (Bank 1). I thought it would be the O2 sensors or my catayist converter. Just asking any anyone who encountered this, thanks.
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