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P0400 - P0499
P0420
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2002 Chevy Impala P0420
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
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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