Description
Throttle valve, assembled Delphi air metering unit for 1.6 HDi engines. From a vehicle with 46,000 km mileage.
Overview
This Delphi throttle valve (air metering unit) is designed for 1.6 HDi diesel engines used in Citroën and Peugeot models. The component regulates intake airflow and works with the engine management system to control idle, support EGR operation and ensure stable low-speed running. Supplied as an assembled unit, it replaces faulty or worn throttle valves that cause rough idle, loss of power or engine management warnings.
Benefits for Mechanics and DIY Enthusiasts
Clear, direct fitment to common 1.6 HDi applications makes this part suitable for quick replacement during routine diagnostics. Part numbers and OE references included in the technical section help you find exact matches and speed up ordering. As a technician-focused description, this listing highlights common failure modes and practical installation advice so you can return the vehicle to service reliably.
Technical information
- Manufacturer: Delphi
- Model: Fits 1.6 HDi applications (Citroën, Peugeot)
- Product codes: 9660030380, 0345E3
- Other numbers: 345000
Compatible Vehicles (Typical Fitment)
Commonly used on:
- Citroën C3
- Citroën C3 Picasso
- Peugeot 207
- Peugeot 307
How The Part Is Replaced
Basic replacement steps (overview): Disconnect the battery, remove intake hoses and airbox to access the throttle body, unplug electrical connectors, remove mounting bolts and extract the unit. Fit the new unit with a new gasket/seal, reconnect electrical plug and air intake components, then reconnect the battery. Follow manufacturer procedures for post-install checks—idle learning or adaptation may be required by the engine ECU.
Installation Recommendations
- Always Disconnect The Battery Before Starting Work To Avoid Damage To Electronics.
- Inspect And Replace The Intake Gasket/Seal When Fitting A New Unit.
- Check Wiring Harness And Connector For Corrosion Or Heat Damage; Repair As Necessary.
- After Installation, Perform Idle Adaptation/Throttle Learning Using Suitable Diagnostic Equipment If Required.
- Follow The Vehicle Manufacturer’s Service Procedures To Ensure Proper Function.
Why This Part Fails Most Often
Failures Are Usually Caused By Carbon And Soot Buildup From The Intake/EGR System, Which Restricts Movement Or Fouls Sensors. Other Common Causes Include Wear Or Failure Of The Actuator/Stepper Motor, Faulty Throttle Position Sensor, Electrical Connector Corrosion Or Mechanical Damage From Foreign Debris. Symptoms Include Rough Idle, Stalling, Reduced Engine Power And Engine Management Warning Lights.
