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. ` ...

Suggested maximum speed in each gear
Downshift to a lower gear if the engine is not running smoothly, or if you need to accelerate. Do not exceed the maximum suggested speed (shown below) in any gear. For level road driving, use t ...

Under the Hood
The Pathfinder's 4.0-liter V-6 produces 270 horsepower and 291 pounds-feet of torque. Operating with electronic throttle control, the V-6 features Continuous Valve Timing Control. All Pathfinders ...