Fuel

FUEL REQUIREMENTS
Light spark knock at low engine speeds is not harmful to your engine. However, continued heavy spark knock at high speeds can cause engine damage.

In addition to using unleaded gasoline with the proper octane rating, gasolines that contain detergents, corrosion and stability additives are recommended. Using gasolines that have these additives will help improve fuel economy, reduce emissions, and maintain vehicle performance. Generally, premium unleaded gasolines contain more additive than regular unleaded.

Poor quality gasoline can cause problems such as hard starting, stalling, and stumble. If problems are experienced these, another brand of gasoline should be tried before servicing the vehicle.