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The 2.3 liter and 3.0 liter take ( 5W-20 ) The 4.0 liter takes ( 5W-30 ) According to the 2002 Ford Ranger Owner Guide
where is the valve located on the 2002 ranger 4.0 liter 6 cyl?
.044 inch for the 3.0 liter in a 2002 Ford Ranger
You don't as they are self adjusting.
The 2.3 liter DOHC engine in a 2002 Ford Ranger has a TIMING CHAIN
On a 2002 Ford Ranger : The 2.3 liter Dual Over Head Cam four cylinder engine has ( 4 spark plugs )
13 mm on my 2002 Ford Ranger 4.0 XLT
According to the 2002 Ford Ranger Owner Guide : For the 2.3 liter four cylinder engine and the 3.0 liter V6 engine ( 5W-20 ) For the 4.0 liter V6 engine ( 5W-30 )
The 2.3 liter DOHC 4 cylinder in a 2002 Ford Ranger has a ( timing CHAIN )
In a 2002 Ford Ranger SuperCab ( 73.8 liters / 19.5 U.S. gallons )
On 2002 Ranger 3.0L, the PCV valve is mounted in the valve cover near the brake booster.
On a 2002 Ford Ranger ( yes , one coil pack for each engine ) 2.3 liter DOHC four cylinder has ( 4 towers ) on the coil pack 3.0 and 4.0 liter V6 engines have ( 6 towers )