This replacement throttle body is designed for 1.6 16V NFU engines used in a range of Citroën and Peugeot models. It restores correct air intake control, improves throttle response and idle stability, and fits OEM reference numbers commonly searched by professionals: 0280750164, 9649510080, 1635Z8, 163637 (also referenced as 280750164). Built to match the original fitment and mounting points, this unit is suitable for mechanics and experienced DIYers who need a direct-fit throttle body for service or repair.

Applications

Compatible With The Following Models And Engine:

• Citroën Berlingo (1.6 16V NFU)
• Citroën C2 (1.6 16V NFU)
• Citroën C3 / C3 Pluriel (1.6 16V NFU)
• Citroën C4 (1.6 16V NFU)
• Peugeot 1007 (1.6 16V NFU)
• Peugeot 206 (1.6 16V NFU)
• Peugeot 307 (1.6 16V NFU)
• Peugeot Partner (1.6 16V NFU)

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Throttle Body For 1.6 16V NFU Engine
• Product Codes: 0280750164
• Other Numbers: 9649510080, 1635Z8, 163637, 280750164

Function And Typical Symptoms

The Throttle Body Regulates Airflow Into The Engine By Controlling The Throttle Plate Position. It Works With The Engine Management System To Ensure Smooth Idle, Accurate Throttle Response And Proper Mixture Control. When The Throttle Body Or Its Sensors Start To Malfunction, Common Symptoms Include:

• Erratic Or High Idle
• Poor Throttle Response Or Hesitation
• Engine Stalling At Idle Or Under Load
• Illuminated Check Engine Light With Related Fault Codes (Throttle Position Sensor, Airflow Irregularities)
• Reduced Fuel Economy And Rough Running

Common Causes Of Failure

• Carbon And Oil Deposits Building Up On The Throttle Plate And Bore, Restricting Movement
• Wear Of Internal Bearings Or Mechanical Linkages Causing Sticking
• Failure Of Integrated Sensors (Throttle Position Sensor) Or Electrical Connectors
• Vacuum Leaks At The Throttle Body Gasket Or Intake Manifold Interface

Replacement And Installation

Designed For Fitment By Professional Technicians And Competent DIYers. Typical Replacement Steps:

• Disconnect The Battery Before Starting Work.
• Remove The Engine Cover And Intake Ducting To Access The Throttle Body.
• Unplug Electrical Connectors And Any Vacuum Lines Attached To The Unit.
• Unscrew The Throttle Body Mounting Bolts And Remove The Unit From The Intake Manifold.
• Inspect And Replace The Throttle Body Gasket/Seal—Always Fit A New Gasket To Prevent Vacuum Leaks.
• Install The New Throttle Body, Reconnect Vacuum Lines And Electrical Connectors, Then Reassemble Intake Components.
• Perform Throttle Adaptation/Idle Learning Using A Diagnostic Tool (DiagBox/Standard OBD-II Tool) Or Follow The Manufacturer’s Idle Relearning Procedure Where Required.
• Clear Fault Codes And Verify Proper Operation Under Idle And Load.

Service Life And When To Replace

Throttle Bodies Can Last Many Years, But Carbon Build-Up, Driving Style And Maintenance Intervals Affect Longevity. Symptoms Commonly Appear After Extended Mileage Or If Regular Intake Cleaning Has Not Been Performed. Inspect The Throttle Body If The Vehicle Shows The Symptoms Listed Above Or During Routine Intake Service.

Installation Recommendations

• Use Appropriate Tools And Follow Manufacturer Torque Specifications When Tightening Mounting Bolts.
• Replace The Gasket Or Seal During Installation To Avoid Vacuum Leaks.
• Keep The Throttle Plate And Bore Clean; Remove Carbon Deposits With Suitable Cleaners Before Fitting Where Practical.
• After Installation, Run The Required Throttle Relearn Procedure To Ensure Correct Idle And Driveability.
• Verify Electrical Connectors Are Clean And Fully Seated; Damaged Wiring Or Poor Grounding Can Cause Intermittent Faults.

Why This Part Most Commonly Fails

The Most Common Cause Of Throttle Body Failure On 1.6 16V NFU Engines Is Carbon And Oil Deposit Build-Up Around The Throttle Plate, Which Causes Sticking And Incorrect Airflow Measurement. Electrical Failures Of The Throttle Position Sensor Or Corroded/Loose Connectors Also Lead To Faults. Vacuum Leaks At The Gasket Interface Can Exacerbate Symptoms And Should Always Be Checked During Diagnosis.

Searchable By OEM References: 0280750164 | 9649510080 | 1635Z8 | 163637 | 280750164 — Ideal For Garages And DIY Enthusiasts Requiring A Direct-Fit Replacement Throttle Body For Citroën And Peugeot 1.6 16V NFU Applications.

This replacement throttle body is designed for 1.6 16V NFU petrol engines used in a range of Citroën and Peugeot models. Manufactured for Stellantis applications, the unit restores precise air control to the intake tract, improves throttle response and eliminates drivability issues caused by a worn or contaminated throttle body. Ideal for professional technicians and experienced DIY mechanics, the description below helps you confirm fitment, understand function, and perform a correct installation.

Function

The Throttle Body Regulates Airflow Into The Engine Depending On Accelerator Position. It Provides The Primary Air Metering For Idle And Part-Throttle Operation And Often Integrates A Throttle Position Sensor (TPS) Or Electronic Actuator Depending On The Variant. Proper Operation Ensures Stable Idle, Smooth Acceleration And Correct Air–Fuel Ratio For Engine Management.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: 1.6 16V NFU
• Product Codes: 0280750164, 9661809080
• Other Numbers: 163637, 1635Z8, 280750164

Fitment (Typical Models)

Citroën Berlingo, Citroën C2, Citroën C3, Citroën C3 Pluriel, Citroën C4, Citroën Xsara Picasso, Peugeot 206, Peugeot 307, Peugeot Partner. Confirm model and engine code against the listed product codes before ordering.

Installation Recommendations

• Disconnect The Battery Before Starting Work To Prevent Electrical Damage And Fault Codes.
• Remove Intake Hose And Associated Vacuum Lines To Gain Access To The Throttle Body.
• Unplug Electrical Connectors And Any Attached Sensors Carefully; Mark Vacuum Hoses If Needed.
• Unscrew Mounting Bolts, Remove The Unit And Replace The Gasket Or O-Ring With A New One To Ensure A Proper Seal.
• Clean Mating Surfaces And Inspect The Intake For Oil Or Carbon Contamination Before Fitting The New Unit.
• Tighten Fasteners To Manufacturer Torque Values Where Available; If Not Available, Tighten Evenly And Securely Without Over-Torquing.
• After Installation, Reconnect All Hoses And Connectors, Reconnect The Battery And Perform An Idle Learn Procedure If Required By The Vehicle (Refer To Service Manual).

Common Failure Reasons

• Carbon And Soot Buildup On The Throttle Plate Leading To Sticking, Poor Idle And Hesitation.
• Wear Or Play In The Throttle Shaft Causing Air Leaks And Erratic Throttle Response.
• Faulty Or Intermittent Throttle Position Sensor Or Electrical Connector Corrosion Affecting Signal Accuracy.
• Vacuum Leaks Around The Throttle Body Gasket Or Intake Manifold Seals.
• Contamination From Oil Or PCV System Deposits Accelerating Malfunction.

Maintenance And Service Tips

Regular Inspection And Cleaning Of The Throttle Body Helps Prevent Most Driveability Problems. For Naturally Accumulating Deposits, Clean During Major Service Intervals Or If Symptoms Appear (Rough Idle, Stalling, Hesitation). Replace The Gasket When Replacing The Throttle Body To Avoid Vacuum Leaks.

Why Choose This Part

This unit Carries Stellantis Fitment Numbers And Direct Replacement Codes Commonly Searched By Mechanics. Supplying Clear Product Codes And Fitment Information Makes It Easier To Find The Correct Part Quickly, Reducing Vehicle Downtime And Ensuring Reliable Performance After Replacement.