p0420

  1. M

    What caused my catalytic converter to go bad?

    Posting in here to get an idea of why my CAT might have gone bad. I've got an automatic 2006 CE with 111k miles. The car passed smog on March 5th. Just bought the car off Craigslist on March 10th, and the CEL came on after driving it about 85 miles. Seller is ducking my calls, so no luck there...
  2. speedkar9

    What's inside a Catalytic Converter?

    I chopped open the catalytic converter on my Corolla to see whats inside and how it works. Here's a video: The catalytic converter is located between the manifold and resonator in the exhaust system. Its purpose is to convert toxic gasses from the exhaust stream into less harmful gases...
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