Besides 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.
Designated TOP TIER Detergent Gasoline contains
a higher level of detergents to further aide in minimizing engine
and fuel system deposits. When available, the usage of TOP TIER Detergent
gasoline is recommended. Visit www.toptiergas.com for a list of TOP TIER
Detergent Gasoline retailers.
Indiscriminate use of fuel system cleaning agents should be avoided. Many of these materials intended for gum and varnish removal may contain active solvents or similar ingredients. These can harm fuel system gasket and diaphragm materials.