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...
Reported Problems: Exhaust problems:A failed catalytic converter can cause the Check Engine light to come on with the code P0420. Exhaust leaks and loose/rattling heatshields are also common. A local muffler shop is probably the best place for these types of repairs. They can fabricate/weld s...
Click photo for larger image The catalytic converter can fail at higher mileage. The diagnosis can reveal the code P0420. The OEM part is expensive, but a local muffler shop might be able to install an aftermarket catalytic converter which is a lot cheaper. Failed front struts are mentioned ...
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...
Code P0420 Subaru Forester| **Enhanced Vehicle Safety and Performance** The 28103FL000 TPMS Sensor is a crucial component for maintaining optimal tire pressure and ensuring the safety of your Subaru vehicle. Designed to fit a wide range of models including the Ascent, Forester, Impreza, WRX, ...