See also:

Clutch fluid (if so equipped)
Check the clutch fluid level in the reservoir (manual transmissions only). If the fluid level is below the MIN line, add Genuine NISSAN Super Heavy Duty Brake Fluid or equivalent DOT 3 fluid up ...

V-6 Gas Mileage, Performance
One of the disappointing elements of the V-6 Frontier — and one that many people in the market for a smaller truck will likely be concerned about — is its gas mileage. With an automatic transm ...

Increasing fuel economy
-Accelerate slowly and smoothly. Maintain cruising speeds with a constant accelerator position. - Drive at moderate speeds on the highway. Driving at high speed lowers fuel economy. - Avoid unn ...