Description
Delphi Intake Throttle Valve 1.6 HDi For Citroën And Peugeot Vehicles
This replacement intake throttle valve is designed for 1.6 HDi engines and carries OEM references commonly searched by mechanics and DIY enthusiasts. Ideal for workshops and home repairs on Citroën and Peugeot models, the unit helps restore proper air control to the engine, improving idle stability, throttle response and diesel emissions management. Searchable Part Numbers: 9655971780, 0345C2 — include these in your order or parts lookup to find the correct item quickly.
The throttle valve regulates the amount of intake air and works with the engine control system to manage idle, EGR flow and support DPF regeneration events in modern HDi common-rail diesels. A correct-functioning throttle body reduces rough idling, limp-home modes and error codes caused by incorrect air metering.
Technical Information
- Manufacturer: Delphi
- Model: 1.6 HDi (Fits Citroën C5, Peugeot 407 And Similar 1.6 HDi Applications)
- Product Codes: 9655971780; 0345C2
- Other Numbers: 0345C2 (Also Listed In Stellantis Parts References)
Installation Recommendations
- Disconnect The Negative Battery Terminal Before Starting Work To Avoid Unwanted Faults.
- Remove Intake Ducting And Unplug The Electrical Connector Carefully. Take Care Not To Damage Wiring Or Clips.
- Unbolt The Throttle Body From The Intake Manifold. Inspect And Clean The Mating Surface; Replace The Gasket If Required.
- Fit The New Unit, Tighten Bolts To The Manufacturer’S Torque Specifications, Reconnect Electrical Connector And Air Ducting.
- After Installation Perform A Throttle Relearn/Idle Adaptation Procedure Using Diagnostic Equipment Or Follow The Vehicle Manufacturer’S Relearn Steps To Clear Codes And Stabilize Idle.
Why This Part Commonly Fails
- Carbon And Soot Buildup From Exhaust Recirculation Causes Sticky Or Jammed Shaft Operation, Leading To Poor Airflow Control.
- Electronic Faults In The Position Sensor Or Actuator (Wear, Wiring Damage Or Corrosion) Result In Erratic Signals To The Engine Control Unit.
- Ingress Of Oil, Dirt Or Moisture Can Accelerate Mechanical Wear Or Cause Electrical Shorting.
- High Mileage And Long Periods Without Cleaning Or Service Increase The Likelihood Of Failure.
Replacing The Throttle Valve Is A Common Repair On 1.6 HDi Engines After Prolonged Use. Addressing The Root Causes—Cleaning Intake Tracts, Checking The EGR System And Ensuring Proper Air Filtration—Will Help Extend The Service Life Of The New Part.
