I have a 2000 Honda Accord V6 sedan (under 100k miles). For two years now I have had a check engine light. Originally I was told it was a CO sensor that was broke. But now when I get the car inspected, the inspector says I have a catalytic error. So off to the mechanic. They replace the catalytic…

2000 Honda Accord check engine light mystery

keith November 7, 2012, 5:52am 6

I had this code on a Corolla, a new rear O2 sensor fixed it. Often this code will appear if there is a leak in the exhaust system before the cat.