See also:

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 ...

Replacing spark plugs
Iridium-tipped spark plugs It is not necessary to replace iridium-tipped (A) spark plugs as frequently as conventional type spark plugs because they last much longer. Follow the maintenance l ...

King Cab
Maximum towing capacity: 6,500 pounds (4x2 V-6), 6,300 pounds (4x4 V-6) Maximum payload range: 899-1,547 pounds (depending on trim, engine, transmission) ...