P0420:Catalyst System Efficiency Below Threshold Forester Cylinder Heads Cars that have older models that date back to 2004 and 2005, such as the Subaru Forester, need regular checks to make sure everything is running in order. If you are having issues with your engine or cylinders, then this...
The Cel code P0420 will stop the cruise control on your car from working, it wont go into limp home or low power mode. Can be reset by removing battery connection or using obd tool to reset. It going to keep coming back until you disable it though.Why...
One of the possible causes for the Check Engine light with the code P2096 in the 2010-2012 Outback is a bad rear O2 sensor, although the vehicle must be properly diagnosed to confirm this. Other possible causes include a bad or dirty mass airflow sensor, vacuum leak, dirtythrottle body, ...