How do I know if I need a new catalytic converter?
Here are five signs that your catalytic converter might need to be checked out:
- Rattling sounds under the vehicle. This happens when a catalytic converter has been damaged.
- Check engine light comes on.
- Diminished engine performance.
- Smell of sulfur from the exhaust.
- Car doesn’t pass emissions test.
How often does a catalytic converter need to be replaced?
10 years
Here are some tips. The catalytic converter, which converts harmful emissions into harmless gas, often lasts 10 years or longer and should be replaced only when needed. It can become clogged, physically damaged, or contaminated by oil or engine coolant.
Why do you need a catalytic converter near the engine?
In case you’re wondering, in recent years many cars have the catalytic converter near the engine so they heat up faster. Catalytic converters are more effective after they heat up. That’s why car manufacturers integrate them into the exhaust manifolds. You probably need to replace it as a combination single unit. TN on November 02, 2019:
How can I tell if my catalytic converter is bad?
Catalytic converter test. How to check a catalytic converter to see if it’s bad and needs replacement in your car, DIY with Scotty Kilmer. How to tell if your car’s catalytic converter is bad. A simple test beats guessing with expensive parts. DIY car repair with Scotty Kilmer, an auto mechanic for the last 47 years. 1.
How long does a catalytic converter last in a car?
Very few car parts last for the entire life of a vehicle, but a catalytic converter attached to a properly running engine can last for years. As part of the vehicle’s exhaust system, the catalytic converter uses heavy metals to chemically react with exhaust gasses and reduce the number of harmful pollutants entering the atmosphere.
What is the diagnostic code for a catalytic converter?
An illuminated check engine light or malfunction indicator lamp (CEL or MIL) with a catalytic converter diagnostic trouble code (DTC) is the most common catalytic converter problem indicator.