See also:

Three-way catalyst
The three-way catalyst is an emission control device installed in the exhaust system. Exhaust gases in the three-way catalyst are burned at high temperatures to help reduce pollutants. - Th ...

California proposition 65 warning
Engine exhaust, some of its constituents, and certain vehicle components contain or emit chemicals known to the State of California to cause cancer and birth defects or other reproductive ...

Engine coolant temperature gauge
Engine coolant temperature gauge The gauge indicates the engine coolant temperature. The engine coolant temperature is within the normal range when the gauge needle points within the zone show ...