Overpressure sensor

OVERPRESSURE SENSOR

This is installed at the centre of the intake box and its purpose is to inform the injection control unit for: - injection pressure adjustment - injection length adjustment.

1. 1.5 V (from ECU)
2. 2. Earth
3. 3. Output signal

REMOVAL/REFITTING

• Make sure the ignition key is in the «STOP» position, then disconnect the battery (-) cable.

1. Remove the engine oil filler cap.
2. Slacken the fastening screws and remove the engine cover.

• Refit the engine oil filler cap.

ACCELERATOR PEDAL POTENTIOMETER

The accelerator pedal is fitted with two integrated potentiometers: - a main one - and a safety one. The control unit activates the following recovery strategies: - in the event of a fault on one of the two potentiometers, it allows throttle opening up to a maximum of 40° in a very long time - in the event of a complete failure of the two potentiometers, it shuts off throttle opening.

OVERPRESSURE SENSOR

1. Disconnect the electrical connection from the overpressure sensor.
2. Slacken the screw and remove the overpressure sensor.