Heated oxygen (ho2s) sensor (page 2 of 2)

5. Release clip and remove vacuum pipe from fuel pressure regulator.
6. Release clip and disconnect fuel return hose from fuel rail.

CAUTION: Plug the connections.

7. Position an absorbent cloth around fuel feed connection.

8. Remove 2 bolts securing fuel feed pipe to fuel rail.
9. Release fuel feed pipe from fuel rail and discard ’O’ ring.

CAUTION: Plug the connections.

10. Remove 4 clips securing injectors to fuel rail.
11. Remove 2 bolts securing fuel rail to inlet manifold.
12. Release fuel rail from injectors and remove.
13. Remove and discard ’O’ ring from each injector.
14. Fit protective caps to each injector.

Refit

1. Clean injector recesses in fuel rail.
2. Lubricate new ’O’ rings with silicone grease and fit to injectors.
3. Fit fuel rail to injectors and secure with spring clips.
4. Fit bolts securing fuel rail to inlet manifold and tighten to 10 Nm.
5. Lubricate new ’O’ ring with silicone grease. Fit ’O’ ring to fuel feed pipe.
6. Position fuel feed pipe to fuel rail, fit bolts and tighten to 5 Nm.
7. Connect fuel return hose to fuel rail and secure with clip.
8. Fit vacuum pipe to fuel pressure regulator and secure with clip.
9. Fit inlet manifold chamber. See MANIFOLD & EXHAUST SYSTEMS, Repairs.
10. Connect battery earth lead.