2014 Jeep Grand Cherokee Owner Manual Supplement - Page 36
2014 Jeep Grand Cherokee Manual
Page 36 highlights
34 STARTING AND OPERATING NOTE: Engine Oil Usage • Use of Climatized Ultra Low Sulfur Diesel Fuel or Refer to "Maintenance Procedures" in "Maintaining Your Number 1 Ultra Low Sulfur Diesel Fuel results in a Vehicle" for the correct engine oil viscosity. noticeable decrease in fuel economy. Engine Warm-Up • Climatized Ultra Low Sulfur Diesel Fuel is a blend of Avoid full throttle operation when the engine is cold. Number 2 Ultra Low Sulfur and Number 1 Ultra Low When starting a cold engine, bring the engine up to Sulfur Diesel Fuels which reduces the temperature at operating speed slowly to allow the oil pressure to which wax crystals form in fuel. stabilize as the engine warms up. • The fuel grade should be clearly marked on the pump If temperatures are below 32°F (0°C), operate the engine at the fuel station. at moderate speeds for five minutes before full loads are • The engine requires the use of "Ultra Low Sulfur applied. Diesel Fuel". Use of incorrect fuel could result in Engine Idling engine and exhaust system damage. Refer to "Fuel Requirements" in "Starting And Operating" for fur- Avoid prolonged idling, long periods of idling may be harmful to your engine because combustion chamber ther information. temperatures can drop so low that the fuel may not burn completely. Incomplete combustion allows carbon and varnish to form on piston rings, cylinder head valves,