The owner's manual for the 2001 Ford Focus recommends SAE 5W-20 motor oil for most driving conditions. However, SAE 5W-30 motor oil can also be used.
2001 Ford Focus with a 2.3L Duratec engine SAE 5W-30.
The owner's manual for the 2001 Ford Focus recommends SAE 5W-30 motor oil for all driving conditions.