Operation CHARM: Car repair manuals for everyone.

Catalytic Converter Description

Three Way Catalytic Converter
The three way catalytic converter is an emission control device. The three way catalytic converter is added to the exhaust system on gasoline engine cars in order to reduce pollutants from the exhaust gas stream. The catalyst in the three way catalytic converter is not serviceable.

Notice: In order to avoid damage to the catalyst, use unleaded fuel only.