Hey all, just got my '03 Explorer safety inspected today. Passed. Got home and the Code P2270 displayed. I looked it up and have a general idea what it is. My question is: What is the best way t start diagnosing this?
Thanks, Jake..

 

I have a repair manual and I don't see P2270, what is it? I too have a 2003

 

May just need to replace it. It's not expensive.

 

assuming you have single exhaust system. It's behind the converter.