2006 Dodge Ram 2500 Pickup Owner Manual Diesel - Page 316

316 STARTING AND OPERATING CAUTION! Damage to the fuel system or emission control system could result from using an improper fuel tank filler tube cap (gas cap). A poorly fitting cap could let impurities into the fuel system. Avoid Using Contaminated Fuel Fuel that is contaminated by water or dirt can cause severe damage to the engine fuel system. Proper maintenance of the engine fuel filter and fuel tank is essential. (See Section 7 for Maintenance Procedures). NOTE: Climatized diesel fuel is a blend of Number 2 and Number 1 Diesel fuel which reduces the temperature at which wax crystals form in the fuel. Bulk Fuel Storage If you store quantities of fuel, good maintenance of the stored fuel is also essential. Fuel contaminated with water will promote the growth of "microbes." These microbes form "slime" that will clog fuel filters and lines. Drain condensation from the supply tank and change the line filter on a regular basis. WARNING! • Never have any smoking materials lit in or near the vehicle when the gas cap is removed or the tank filled. • Never add fuel to the vehicle when the engine is running.