Replacement: engine oil and filter β Ford Focus MK2 diesel. AUTODOC experts recommend: Replace the oil filter every time when changing motor oil. Use only new O-rings during installation. Wear gloves to prevent contact with hot liquid. Please note: all work on the car β Ford Focus MK2 diesel β should be done with the engine switched off.
3) Disconnect the TPS (Throttle Body Position Sensor) (small red locking clip pops up then whole plug just pulls of sensor) 4) Remove the 4 Torx screw on the TB and gently lift throttle body of. Under you will see the rubber gaskets which can be removed and cleaned or replaced depending on condition. Steps to Reinstall.DfCga.