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2005 Hyundai Tuscon Engine Light, on for over a year

Tiny
GARZZZ45
  • MEMBER
  • 2005 HYUNDAI TUCSON
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 101,000 MILES
I took this car to Pep Boys for the engine light. They told me the code suggested the catalytic converter, both front and rear needed to be replace. I thought it might be a worn gasket from the gas cap. But who knows. Supposedly, the catalytic converter should last the life of the car. Any suggestions?
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Wednesday, July 14th, 2010 AT 12:47 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,908 POSTS
Hi daytona53. Welcome to the forum. Where did you hear a catalytic converter always lasts the life of the car? If that were true, the parts stores wouldn't have dozens of them in stock. For a 6 cylinder engine, you should have a left and a right converter. Each one will have an oxygen sensor ahead of it and after it. The front ones determine if the fuel / air mixture is correct. The second one monitors the converter efficiency or how well it is working. It is more common to have a failed oxygen sensor, but the diagnostic fault code will specify that. A defective converter will set a different fault code.

Caradiodoc
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Wednesday, July 14th, 2010 AT 1:05 PM

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