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 ...

We earn commissions from purchases you make using links in our articles. Learn more. Problems with catalytic converters are one of the most common causes of check engine lights, but they’re extremely ...

Last month in "Crying Fouled," we showed how the factory catalytic converter in our '95 Firebird Firehawk was robbing us of driveability. It had become so contaminated from unspent fuel that its ...