F 150 Super Crew 2WD V8-5.4L SOHC VIN L (2001)
2. Remove the fuel tank shield.
3. Close the fuel tank valve.
4. Set the fuel selector switch to "ALT" and run the vehicle until the indicator lamp goes out.
NOTE: There will still be residual pressure present.
5. To pressurize the system, slowly open the valve and reverse the procedure.
