Fuel Rail Pressure Sensor Installation Details on 163.113 Models (612 series engine)
21 — Highway
B4/6 - Pressure sensor
1. Fuel Rail Pressure Sensor Installation Details on 163.113 Models (612 series engine) are shown in the illustration, to which all references found in the text refer.
2. Remove the cylinder head cover trim panels.
3. Disconnect the electrical wiring and remove the pressure sensor (B4/6).
4. Installation is carried out in the reverse order. Finally, clear the memory of the on-board diagnostic module (see Chapter Engine electrical systems).
Models 163.128
Fuel Rail Pressure Sensor Installation Details on 163.128 Models (628 series engine)
1 - Vacuum line; 2 - Support bracket; 21/7 - Valve block; B4/6 - Pressure sensor
1. Fuel Rail Pressure Sensor Installation Details on 163.128 Models (628 series engine) are shown in the illustration, to which all references found in the text refer.
2. Disconnect the air distribution pipe (see Section Servicing air intake tract components).
3. Release the vacuum line (1) from the support bracket (2) and move it aside.
4. Disconnect the electrical wiring and remove the pressure sensor (B4/6).
5. Installation is carried out in the reverse order. Finally, clear the memory of the on-board diagnostic module (see Chapter Engine electrical systems).