What weight oil is to be used on 2006 ford expedition 5.7 liter engine and how many quarts?
The 2006 Ford Expedition 5.7L engine calls for 5W-20 motor oil. However, you should always check your owner's manual as this is the definitive source for your specific vehicle. The manual will also specify the exact quantity of oil needed, which is typically around 6 quarts, but again, consult your manual to be certain. Adding too much or too little oil can damage your engine.