I HAD A PROBLEM WITH MY CATALYTIC CONVERTER FOR ...

  • Tiny
  • Anonymous
  • 2001 Chevrolet Cavalier
  • 115,000 miles

I had a problem with my catalytic converter for and have replaced it twice after the check engine light turned on. My mechanic said that I need a tune up and that is what is messing with the converter. What does a tune up entail and how much does that usually run? I purchased the car a year ago and have not done a tune up. How often should I be doing that?

Thursday, December 27th, 2012 AT 6:42 PM

1 Reply

  • Tiny
  • Docfixit
  • Expert
  • 18,993 posts

Using GM CAT? Code P0420?

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Thursday, December 27th, 2012 AT 6:57 PM

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