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 ...

Oil viscosity
The engine oil viscosity or thickness changes with temperature. Because of this, it is important to select the engine oil viscosity based on the temperatures at which the vehicle will be operate ...

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 ...