2002 chevy impala, 3.4 engine

2002 CHEVROLET IMPALA
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SJB133
  • MEMBER
  • 4 POSTS
had catalact converter replaced 2 months ago, now check engine light comes on, throws the code p0420, which is the code for the catalact converter. has a really strong exhaust smell.??????? car has 142,000 miles.
Sep 6, 2007 at 7:38 PM
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SERVICE WRITER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 9,123 POSTS
Ubnless there is an air leak ahead of the converter, the comverter is probably bad. IF a universal one was used, it may not work. A direct fit converter is the only one I would use.
Sep 10, 2007 at 12:23 PM
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