Description
Throttle body for 2.0 HDI RHR engines for CITROËN and PEUGEOT vehicles. Assembled air metering unit.
This genuine-style intake throttle body (air metering unit) is designed for 2.0 HDi RHR diesel engines fitted to a range of Citroën and Peugeot models. Perfect for professional garages and experienced DIY mechanics, the part restores correct intake airflow metering, improves idle stability and responsiveness, and eliminates common driveability faults caused by a worn or faulty unit. Search keywords: throttle body 2.0 HDi RHR, throttle valve Citroën Peugeot, 9647474880, 0345C4.
Technical Information
- Manufacturer: Stellantis (Citroën/Peugeot)
- Model: 2.0 HDI RHR
- Product Codes: 9647474880, 0345C4
- Additional Numbers: Assembled Air Metering Unit
Compatibility
Typical vehicle applications include Citroën C4, Citroën C4 Picasso, Citroën C5, Citroën C8 and Peugeot 307, Peugeot 407, Peugeot 807 with the 2.0 HDi RHR engine. Always use the product codes when searching for exact fitment.
Function
The throttle body regulates the amount of air entering the intake manifold. In modern HDi engines this unit works together with the engine control unit to manage idle speed, throttle response and exhaust emissions. It typically includes an electric motor/actuator and position sensor that feed data to the ECU for precise control.
Common Faults And Why The Part Fails
Failures are most commonly caused by carbon and soot buildup in the intake tract, wear of the actuator or position sensor, and electrical connector corrosion. Symptoms include rough or unstable idle, hesitation on acceleration, reduced engine power or limp-home mode, and diagnostic trouble codes related to throttle position or air intake. Problems are more frequent on higher-mileage vehicles, often appearing after prolonged service intervals or where intake recirculation systems (EGR) produce heavy soot deposits.
Installation And Recommendations
- Before removal always disconnect the battery and follow the vehicle manufacturer’s procedures to avoid electrical damage.
- Remove the intake hose and airbox for access, unplug electrical connectors and idle air control or throttle motor plugs, then unbolt the throttle body from the intake manifold.
- Inspect and clean the mating surfaces; replace the gasket or O-ring as required. Do not overtighten mounting bolts—use the manufacturer’s torque settings.
- After installation perform the throttle adaptation/initialisation procedure using an appropriate diagnostic tool (DiagBox/PP2000 or equivalent) or follow the vehicle-specific relearn procedure so the ECU recognises the new unit and idle control is calibrated.
- If the original fault was heavy carbon contamination, consider cleaning the intake tract and EGR system to reduce the risk of repeat failure.
Why Choose This Part
This assembled air metering unit with OEM product codes 9647474880 / 0345C4 is supplied as a direct-fit replacement for the 2.0 HDi RHR family. It is ideal for technicians who need a reliable throttle body to restore proper engine management and drivability on affected Citroën and Peugeot models.
Notes
Use the product codes in searches to find matching items quickly. For calibration and advanced diagnosis, workshop-grade diagnostic equipment is recommended.
