2002 Chevy Impala P0420

Tiny
DANIUSKAROJAS
  • MEMBER
  • 2002 CHEVROLET IMPALA
Computer problem
2002 Chevy Impala 6 cyl Wheel Drive Type unknown Automatic 97809 miles

what can I do to fix this?
catalyst efficiency below threshold
Monday, January 28th, 2008 AT 12:24 PM

1 Reply

Tiny
DENNYP
  • MECHANIC
  • 1,824 POSTS
Replace the catalytic converter.
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Thursday, January 31st, 2008 AT 8:29 PM

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