3 codes.P0420,P0011,P0021,what should I do? Replace or fix and if so what? on 2006 Hyundai Sonata

Do I replace catalytic converter and O2 sensors?

by in Fairburn, GA on December 28, 2012
1 answer 2 comments
ANSWER by on December 28, 2012
Replace cats and all O2 sensors.
COMMENT by on December 28, 2012
Is there like an emissions warranty that may still cover this? Maybe the cats.?
COMMENT by on December 29, 2012
Wetry, I called my local dealer hear in Fort Myers, Florida. They said the cat system is 8 years or 80,000 miles. Of course Kizzie will have to take it to the dealer to have it checked out. Of course Kizzie will be at the mercy of the dealer. OH, by the way it's a COLD 75 degrees here, yuk-yuk-yuk.

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