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B1S1 causing a P0420?
Posted to Technical Discussion Forum on 2/18/2013 14 Replies

This is on a personal car I recently bought.

It set a P0420 (catalyst efficiency) this weekend and I looked at it briefly tonight using an old global OBD2 scanner that I keep at home. Running at operating temp. and watching a graph of B1S1 and B1S2, I found ... Login to read more.

14 Replies Received (View Replies)

 

car Vehicle Data

2001 Volvo S60 2.4L

Engine2.4 L
Trans5-speed Automatic (Electronic)

car Vehicle Data

2001 Volvo S60 2.4L

Engine2.4 L
Trans5-speed Automatic (Electronic)