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2003 Chevy Impala Ripped Off on Auto Repair

Tiny
AARON MARTIN
  • MEMBER
  • 2003 CHEVROLET IMPALA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 99,000 MILES
Yes, Hello I recently had my catalytic converter replaced but they also changed both upper and lower
oxygen sensors. It's my belief that with no "CHECK ENGINE" light activated that only the C. Converter
was bad. What is your perspective?
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Tuesday, August 17th, 2010 AT 12:16 PM

1 Reply

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Catalytic converters rarely fail. When they do fail, it is almost ALWAYS caused by a faulty oxygen sensor. Oxygen sensors should be replaced on a normal basis just like engine oil, filters etc. Most people don't do this though and then they have a much larger bill to pay when it comes to replacing the sensors as well as the cat. Converter. I believe your repair shop did the right thing.
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Tuesday, August 17th, 2010 AT 11:12 PM

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