How can you tell when an Acura TLX catalytic converter is bad?

I’ve been having some issues with my car, and my dad says it’s the catalytic converter. I disagree; I think it’s just the O2 sensor. So, how can you tell when an Acura TLX catalytic converter is bad?

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Answer provided by
Heather Bernhard
Answered on May 20, 2022
There are some very obvious symptoms when an Acura TLX catalytic converter is going bad. This is what you should look for:
  • A sulfur (or rotten egg) smell coming from the exhaust
  • Dark exhaust smoke
  • Reduced acceleration or poor engine performance
  • A rattling sound coming from under the car
  • Jerky movements or stall-outs
In addition, your Acura’s check engine light might come on. However, since dozens of different problems can cause that to happen, you’ll have to see a mechanic who can read the OBD trouble code for you.
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