P 0420 Cadillac Cts 2005. Check the "Possible Causes" listed above. If your exhaust pipes are rusted through anywhere.
I got a steering stability problem on it and would like to get the code. thanks. Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors.
Check the "Possible Causes" listed above.
The rear oxygen sensor is switching between "lean" and "rich" too fast which indicates no change is taking place in the makeup of the exhaust gas.
06 Camry P0420 Code Catalyst Efficiency Below Threshold (Bank 1) - Toyota Nation Forum : Toyota ...
I have a 2005 Murano, that has an error code of P0420 - bank 1 catalytic converter. I looked but ...
CADILLAC CTS 2.8L V6 EXHAUST CATALYTIC CONVERTER | Engine & Engine Parts | City of Toronto | Kijiji
How to Fix a p0420 Catalyst System Efficiency Below Threshold Bank 1 - YouTube