According to the 1999 Ford Ranger Owner Guide :
With engine oil filter change :
The 2.5 liter four cylinder engine takes 4.3 liters / 4.5 U.S. quarts of (5W-30 engine oil )
( 5W-30 ) for the 2.5 liter 4 cylinder , 3.0 and 4.0 liter V6 engines ( according to the 1999 Ford Ranger Owner Guide )
( 160 horsepower ) for the 4.0 liter OHV , V6 engine in a 1999 Ford Ranger
The engine oil dipstick is on the drivers side of the 4.0 liter V6 engine in your 1999 Ford Ranger Helpfull
2.5 liter 4 cylinder , or the 3.0 liter or 4.0 liter V6
According to Gates ( they manufacture timing belts etc ) the 2.5 liter engine used in a 1999 Ford Ranger is NOT an interference engine
Inspect at 120,000 miles , replace if needed ( Ford maintenance and the Gates website ) for the 2.5 liter , 4 cylinder , in a 1999 Ford Ranger
my 2009 ford ranger 2.3 owners guide say use 5w-20
4.0 liter OHV - V6 , 3.0 liter - V6 , 2.3 liter - 4 cylinder
According to the 1999 Ford Ranger Owner Guide : ( the SuperCab gas tank holds 19.5 U.S. gallons )
Where is the camshaft position sensor located on a 1999 ford ranger 4.0 liter engine
You have a 1999 Ford Ranger 3.0.
The 1999 Ford Ranger 3.0 liter engine throttle positioning sensor is located on the cylinder head. The sensor will be near the middle of the cylinder head.