You can view the 2003 Ford Explorer Sport owners manual online at :
www . motorcraft service . com ( no spaces )
Click on Owner Guides
( page 131 has a diagram of the Power Distribution Box which is " live " that
is located in the engine compartment on the drivers side )
The Owner Guide shows that ( relay 50B is the fuel pump relay )
Your 2003 Ford Explorer Sport Trac - 4.0 L - SOHC - V6 engine has 3 timing CHAINS - 2 chains at the front of the engine and 1 chain at the back of the engine
According to the 2003 Ford Explorer Sport Trac Owner Guide : For the 4.0 litre SOHC , V6 engine : With engine oil filter change : ( 4.7 litres / 5.0 U.S. quarts of 5W-30 engine oil )
According to the 2003 Ford Explorer Sport Owner Guide : With engine oil filter change : The 4.0 liter SOHC , V6 engine takes : ( 4.7 litres / 5.0 U.S. quarts of 5W-30 )
( 16.8 gallons ) in the 2003 Ford Explorer Sport
what is the model number for a fuel pump relay for a 2003 Ford Explorer
Bank # 1 is the passenger side of the engine
The 2003 Ford Explorer has a V6 engine.
A 2003 Ford Explorer Sport ( the two door version of the Ford Explorer ) has shock absorbers front and rear
horn not working on 2003 ford explorer sport trac, just a clicking sound
Sport has better horsepower intern making it faster and easier to handle
they do not have timing belts , they have chains , one in back of engine and one in front
Im guessing there is something wrong with your car!