Models 463.323 (M612)
Installation details of the pressure sensor in the fuel distribution line (M612)
21 - Highway
B4 / 6 - Fuel pressure sensor
1. Remove the cylinder head cover trim panels.
2. Disconnect the electrical wiring and remove the pressure sensor (В4/6), with the second key, hold the fitting on the highway (21).
3. Installation is carried out in the reverse order. Finally, clear the memory of the on-board self-diagnosis module (see chapter Engine Electrical Systems).
Models 463.333 (M628)
Installation details of the pressure sensor in the fuel distribution line (M628)
1 - Vacuum line
2 - support bracket
21/7 - Valve block
B4 / 6 - Fuel pressure sensor
1. Remove the air cleaner (see Section Servicing Air Inlet Components).
2. Release from support bracket (2) and lay aside the vacuum line (1).
3. Disconnect the electrical wiring and remove the pressure sensor (В4/6).
4. Installation is carried out in the reverse order. Finally, clear the memory of the on-board self-diagnosis module (see chapter Engine Electrical Systems).