1999 Honda Accord cat converter broken up inside, rattleing

Tiny
LORIDERJS
  • MEMBER
  • 1999 HONDA ACCORD
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 120,000 MILES
The check engine code said improper caytlist. MY gas mileage is down to 20MPG. There is no backup in the exhaust that I can tell. I have removed the resanator and also replaced the stock muffler with a flowmaster 40 series. Will replaceing the cat converter restore my lost MPG's and take away the check engine light?
Friday, July 25th, 2008 AT 12:48 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
1999 Honda Accord cat converter broken up inside, rattleing=obviously its defective, replace it-then have the oxygen sensors checked out and make sure the exhaust is not leaking.

When was the last time you tune-up?
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Friday, July 25th, 2008 AT 12:53 PM

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