Problems with catalytic converters are one of the most common causes of check engine lights, but they’re extremely expensive to replace, so if you’re having issues, it makes sense to try one of the ...

Catalytic converters (cats) have been a legal requirement on passenger vehicles with internal combustion engines since the ...

Thanks to the Clean Air Act of 1970, all cars sold in the US after 1975 must have catalytic converters (cats) installed on them. That means that if you drive a relatively modern car, it should have ...