Description
Fuel pressure sensor 1.6 HDi and 2.0 HDi. Used part with a functional warranty.
This fuel pressure sensor is designed for PSA Group diesel engines with 1.6 HDi and 2.0 HDi units, commonly found in Citroën and Peugeot models. It monitors the fuel rail pressure and sends real-time data to the engine control unit (ECU) to ensure accurate injection timing and optimal fuel delivery. Replacing a faulty sensor restores reliable engine idling, improves drivability and can reduce fuel consumption and emissions. Technicians and DIY enthusiasts often search for this part by OE numbers such as 9670076780 or 1920GW, so these references are included for quick identification.
Technical Information
- Manufacturer: Stellantis / Citroën / Peugeot
- Model: 1.6 HDi, 2.0 HDi (common applications: Citroën C3, C4, C5, Berlingo; Peugeot 207, 307, 308, 407, Partner)
- Product Codes: 9670076780, 1920GW
- Other Numbers: 9670076780 | 1920GW
Installation Recommendations
Before starting work, relieve fuel system pressure and work in a well-ventilated area away from open flames. Typical replacement steps:
- Disconnect the vehicle battery to avoid accidental ECU signals.
- Depressurize the fuel rail following the manufacturer procedure.
- Disconnect the electrical connector from the sensor and remove any retaining bolt(s).
- Carefully extract the sensor from the fuel rail, paying attention to the sealing O-ring. Replace the O-ring if damaged.
- Install the new sensor hand-tight, then torque to the manufacturer specification if available; reconnect the electrical connector and restore battery power.
- After installation, cycle the ignition to allow the fuel pump to prime and check for leaks. Clear any diagnostic trouble codes if present and confirm correct sensor readings with a diagnostic tool or live data.
Common Causes Of Failure
Fuel pressure sensors can fail for several reasons. The most frequent causes are contamination from dirty fuel or clogged fuel filters, exposure to corrosive additives, electrical connector corrosion or broken wiring, and internal sensor degradation after extended service (often appearing around or after 100,000 km depending on operating conditions). Sudden fuel pressure spikes or mechanical damage during servicing can also render the sensor inoperative. Symptoms of a faulty sensor include rough idling, hard starting, poor acceleration, increased fuel consumption and illumination of the engine warning light.
This listing is for a used part offered with a functional warranty. It is a direct replacement for the OE numbers listed above and is suitable for mechanics and experienced DIYers looking to restore proper fuel system control on compatible Citroën and Peugeot diesel engines.
