Thanks for the info about the defouler. I might try that if the engine light comes back on. If my cat is going bad, how long would it take for the engine light to reappear? Its been 2 weeks since I changed the oxygen sensors and the light has stayed off. Thanks for the help!

Hello and thank you to the genvibe community. I had the check engine light on, which gave a code of P0420, the powertrain catalyst system. I have a 2003 vibe, and was hoping I didn't need a new catalytic converter. So I read some posts on genvibe and decided to follow the advice of fixing inexpensiv...