Series 1500
1. Remove the fuel pump module (see section "Fuel tank" in chapter "fuel injection system").
2. Use a small screwdriver to press the holder (1) wiring connector.
3. Remove the sensor connector from the pump module cover.
4. Close the latches (2) sensor and remove the sensor towards the top.
5. Installation is carried out in the reverse order.
Series 2500
1. Remove the fuel pump module (see section "Fuel tank" in chapter "fuel injection system").
2. Disconnect the connector (3) sensor.
3. Release the clip (1) sensor mounts.
4. Move down, remove the sensor (2).
5. Installation is carried out in the reverse order.