Description
Throttle Pedal Potentiometer for Citroën Xsara Picasso Vehicles
Product Overview
This Bosch throttle pedal potentiometer (0280755031 / 9655502480 / 1601S0) is a direct-fit accelerator pedal sensor designed for Citroën Xsara Picasso applications. Built to deliver precise throttle position feedback to the engine management system, it restores smooth throttle response and eliminates hesitation, surging or limp-home mode caused by a faulty pedal sensor. Ideal for professional workshops and DIY mechanics who require a reliable OEM-quality replacement part.
Key Features
- Direct fit for specified Citroën Xsara Picasso models — plug-and-play replacement of the failed pedal sensor.
- High-precision potentiometer element ensures accurate throttle position feedback to the ECU.
- Bosch-manufactured unit offering OEM-level quality and electrical compatibility with original wiring and connectors.
- Useful search keywords: Bosch 0280755031, 9655502480, 1601S0, throttle pedal sensor, accelerator pedal potentiometer.
Technical Information
- Manufacturer: Bosch
- Model: Citroën Xsara Picasso
- Product Codes: 0280755031, 9655502480, 1601S0
- Other Numbers: 0280 755 031
Fitment And Replacement
Fitment is vehicle-specific; this unit is intended for Citroën Xsara Picasso applications using the listed product codes. Replacement typically requires access to the driver footwell area. Remove the lower dashboard trim or footwell cover to reach the pedal assembly, disconnect the electrical connector, and remove the mounting fasteners securing the pedal sensor. Install the new unit in reverse order, ensuring correct connector seating and secure fastening.
Installation Recommendations
- Disconnect the battery before starting work to prevent electrical damage and inadvertent throttle activation.
- Keep the connector and wiring free of oils and corrosion; inspect the harness for damaged wires or poor pins and repair if necessary.
- After installation, clear related fault codes and, if required by the vehicle, perform a throttle/pedal adaptation or relearn procedure with an appropriate diagnostic tool to ensure correct idle and throttle response.
- When in doubt or when diagnostic adaptation is needed, use workshop diagnostic equipment or consult a trained technician.
Signs Of Failure
Common symptoms of a failing throttle pedal potentiometer include intermittent or delayed throttle response, unresponsive accelerator, sudden surges in engine speed, activation of limp-home mode, and illumination of the engine warning light. These symptoms often coincide with error codes related to throttle/pedal position sensors.
Why The Part Typically Fails
Pedal potentiometers commonly fail due to internal wear of the sensing element, contamination (dirt, moisture) affecting electrical contacts, connector corrosion, or mechanical stress from heavy use. Vibration and ingress of debris over time can lead to erratic signals or open circuits, prompting the ECU to limit engine power for safety.
Benefits Of Replacement
Replacing a faulty throttle pedal potentiometer restores accurate throttle signaling, improves drivability and throttle smoothness, eliminates unexpected limp-mode triggers, and reduces spongy or jerky acceleration. Using a correct-code Bosch unit ensures compatibility with the vehicle’s electrical and mechanical mounting points.
Final Notes
When purchasing, use the listed product codes (0280755031, 9655502480, 1601S0) to confirm fitment for your Citroën Xsara Picasso. Proper installation and, if necessary, diagnostic adaptation will ensure reliable operation and restore normal vehicle performance.
