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. WARNING: ...

2011 Nissan Frontier review
Full-size trucks are a chore to drive in the city — we know; we've done it — so we wanted to see how Nissan's midsize Frontier would handle an urban environment, as well as a junkyard run to g ...

Checking engine oil level
1. Park the vehicle on a level surface and apply the parking brake. 2. Run the engine until it reaches operating temperature. 3. Turn off the engine. Wait more than 10 minutes for the oil to ...