See also:

Octane rating tips
Using unleaded gasoline with an octane rating lower than recommended can cause persistent, heavy “spark knock”. (Spark knock is a metallic rapping noise.) If severe, this can lead to engin ...

Changing engine coolant
A NISSAN dealer can change the engine coolant. The service procedure can be found in the NISSAN Service Manual. Improper servicing can result in reduced heater performance and engine overheating ...

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 ...