will depend on how your drive most people change between 3 to 5 thousand miles
The Ford 4.0 liter V6 engine takes ( 5 quarts with engine oil filter change )
no its has a chain!
If you need to ask, then the answer is no. It's a bit complicated.
to answer this we need to know what size engine and whether diesel or gas engine
What does your owner's manual say? I would change them if the engine is not performing as it should, you are getting poor mileage, or you have over 75,000 miles on these plugs.
The 1999 Ford Mustang 3.8 liter V6 engine takes : ( 5 quarts with engine oil filter change )
You will need to remove the engine shroud from inside the cabin to access the engine and plugs.
The 2001 Ford Mustang owners manual shows ( 5 quarts ) of engine oil with filter change
5 quarts with engine oil filter change
You need to change your oil for your Ford F-150 every 3000-5000 miles. Every 3 months is another good rule to go by.
Do you really need to change your timing CHAIN on a 2003 Ford Ranger 3.0 L already ? How many miles have you got on it ?=)
With engine oil filter change : ( 6.0 quarts / 5.7 liters ) for the 5.4 liter V8 engine in a 1997 Ford Expedition