What causes the P0420 code on a Saturn Vue?

What causes the P0420 code on a Saturn Vue?

Saturn Vue P0420 Code Symptoms. The P0420 code in a Saturn Vue will often be thrown one of your oxygen sensors are not functioning properly. Typically, the code will be triggered by the upstream oxygen sensor (before the converter). There aren’t usually any drivability issues associated with P0420.

What causes service engine light on Saturn Vue?

Service Engine Light – Often, this is the only symptom of the Saturn Vue P0420 code. There are many things that can cause the P0420 trouble code in your Vue.

Who is the owner of the 2008 Saturn Vue?

2008 Saturn VUE Owner ManualM SATURN, the SATURN Emblem, and the name VUE are registered trademarks of Saturn Corporation. GENERAL MOTORS and GM are registered trademarks of General Motors Corporation. This manual includes the latest information at the time it was printed.

Where is the O2 sensor on the P0420?

Re: P0420 Bank 1 issue. Bank 2, sensor 1.. is the O2 sensor on top- front of engine– that is the one very close to the oil dipsticks. Re: P0420 Bank 1 issue.

Saturn Vue P0420 Code Symptoms. The P0420 code in a Saturn Vue will often be thrown one of your oxygen sensors are not functioning properly. Typically, the code will be triggered by the upstream oxygen sensor (before the converter). There aren’t usually any drivability issues associated with P0420.

Service Engine Light – Often, this is the only symptom of the Saturn Vue P0420 code. There are many things that can cause the P0420 trouble code in your Vue.

Why do I have a trouble code P0420?

When attach a trouble code reader and come up with a P0420, your first assumption may be that you need a new catalytic converter, simply because the words catalytic converter are mentioned in the code. After the tests you may indeed discover that the catalytic converter is bad.

Why does my Saturn Vue have a catalytic converter?

Catalytic Converter – A catalytic converter is responsible for scrubbing out as much pollution as possible from the Vue’s exhaust. Over time, they can become clogged. Although, modern catalytic converters are supposed to last the life of most vehicles, it could be there is some underlying problem if it has clogged.