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Catalytic Converter

What Does a Catalytic Converter Do?

A catalytic converter converts the harmful exhaust gases produced by the engine into less harmful emissions before they leave the vehicle's exhaust system.

Symptoms of a Bad Catalytic Converter

  • Check Engine Light may illuminate
  • Vehicle may fail emissions inspection
  • Exhaust gas may have unusual smell
  • Vehicle may lack power

 

How to Test a Catalytic Converter

Testing a catalytic converter is performed by a professional technician. Testing is used to figure out why a catalytic converter has failed. For a lack of power concern, a back pressure test should be performed to check for a plugged converter.

Catalytic Converter Repair Advice

  • Catalytic converters are vehicle-specific parts. We recommend using a high-quality new part, which is required by emissions control programs in many states.
  • It is very important to have the shop identify why the catalytic converter failed. Failure is almost always due to another problem, which if not resolved, will quickly ruin a new catalytic converter.


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