Description
Throttle pedal for Citroën and Peugeot vehicles. It comes from a Citroën C8 2008 and is also suitable for Peugeot 807.
High-quality HELLA accelerator (throttle) pedal assembly with integrated pedal position sensor, referenced under part numbers 1400838680 and 1601S6. Designed for direct replacement in compatible Stellantis vehicles, this unit restores precise pedal response and reliable electronic signal transmission to the engine control unit. Ideal for professional workshops and DIY mechanics who search by product code or vehicle model — the correct part number makes finding and fitting the right component fast and dependable.
Technical Information
- Manufacturer: HELLA
- Model: Citroën C8, Peugeot 807
- Product Codes: 1400838680, 1601S6
- Other Numbers: NFP (as provided)
Function And Features
The throttle (accelerator) pedal assembly includes an electronic pedal position sensor (potentiometer/electronic sensor) that converts driver input into an electrical signal for the engine management system. This sensor controls throttle response, supports drive-by-wire systems and contributes to fuel management and emission control. Replacing a faulty pedal assembly restores accurate throttle mapping and eliminates erratic behaviour caused by a degraded sensor or worn mechanical components.
Installation Recommendation
Installation is straightforward for a trained technician:
- Disconnect the vehicle battery before work to avoid electrical shorts and accidental throttle activation.
- Remove lower dash trim or footwell cover to access the pedal assembly mounting points and electrical connector.
- Unplug the connector, undo the mounting bolts, remove the old assembly and fit the new unit in the same orientation.
- Reconnect the electrical connector and secure the pedal with the original fasteners; check for free movement and correct alignment.
- After installation, perform a throttle/pedal adaptation or sensor calibration using a diagnostic tool if the vehicle manufacturer requires it; clear any stored fault codes and verify smooth pedal response before road testing.
Why This Part Fails Most Often
- Sensor Wear: Potentiometer contacts or electronic sensors degrade over time, causing inaccurate signals, dead zones or intermittent operation.
- Electrical Issues: Corrosion, damaged wiring or poor connector contact lead to signal loss or fault codes from the engine control unit.
- Mechanical Stress: Repeated heavy use or contamination from dirt and moisture can impair pedal travel or linkage components.
- Symptoms: Hesitation, unresponsive or unsteady throttle, illuminated engine warning lamp and stored throttle/pedal related fault codes.
For reliable repairs, match the exact product codes (1400838680 / 1601S6) to the vehicle model before fitting. This HELLA throttle pedal is a suitable replacement for Citroën C8 and Peugeot 807 applications and is intended for professionals and experienced DIYers who perform electronic pedal replacements and calibrations.








