See also:

Readiness for inspection/maintenance (I/M) test
Due to legal requirements in some states and Canadian Provinces, your vehicle may be required to be in what is called the “ready condition” for an Inspection/Maintenance (I/M) test of the emis ...

Fuel gauge
Fuel gauge The gauge indicates the approximate fuel level in the tank. The gauge may move slightly during braking, turning, acceleration, or going up or down hills. The gauge needle returns t ...

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. WARNING: ...