Description
Air Intake Connector 1.4 VTI 70 kW 8FS 8FP For Peugeot And Citroën Vehicles
Product Overview
This genuine-style air intake connector is designed for 1.4 VTI 70 kW engines (engine Codes 8FS / 8FP) used in selected Peugeot and Citroën models. The part provides a reliable, sealed connection between the Airbox and the Intake System, preventing unmetered air from entering the engine and helping to maintain correct air/fuel mixture and engine performance. Ideal For Professional Workshops And DIY Mechanics Looking For A Direct-Fit Replacement Using Part Numbers 9656237580 And 1436L8.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Citroën C4 II; Peugeot 308 (1.4 VTI 70 kW)
- Product Codes: 9656237580; 1436L8
- Other Numbers: 1436.L8; 1436.L8/9656237580; Related Diagnostic Code: P0171 (System Too Lean)
Compatibility
Compatible With Vehicles Equipped With The 1.4 VTI 70 kW Engine (Engine Codes 8FS / 8FP). Common Applications Include Citroën C4 II And Peugeot 308. Use The Listed Part Numbers (9656237580, 1436L8) When Searching For Exact Fitment.
Function And Importance
The Air Intake Connector Ensures A Sealed Air Path Between The Air Filter Housing And The Throttle/Intake Tract. A Secure Connection Prevents Unmetered Air Ingress That Can Cause Lean Running Conditions, Check Engine Light Faults (eg. P0171), Poor Idle, And Reduced Fuel Economy. Maintaining A Leak-Free Intake Is Essential For Reliable Engine Management And Sensor Readings.
Installation Recommendations
- Prepare Workspace: Park On A Level Surface, Allow Engine To Cool, And Work With Clean Hands/Gloves To Avoid Introducing Debris.
- Removal: Loosen Hose Clamps On The Airbox And Throttle Body, Carefully Unclip Or Unfasten Any Retaining Tabs, And Gently Withdraw The Old Connector. If Sensors (For Example Mass Air Flow Sensor) Are Mounted Nearby, Unplug Electrical Connectors Before Moving The Hose.
- Fitment: Slide The New Connector Into Position, Ensure Proper Orientation And Full Engagement With Both Mating Ends, Then Tighten Hose Clamps Securely. Verify That Sensor Plugs And Vacuum Lines Are Reconnected Correctly.
- Final Checks: Inspect For Visible Leaks, Ensure Clamps Are Not Over-Tightened To Avoid Deforming The Connector, Start Engine And Verify Stable Idle And Absence Of Intake-Related Fault Codes.
- Recommendation: Replace Any Brittle Or Corroded Clamps And Inspect Adjacent Hoses For Damage During Service.
Most Common Failure Reasons
- Material Fatigue And Heat Aging Causing Cracks Or Splits In The Plastic/Rubber Connector.
- Oil Contamination From PCV Or Turbocharger Systems Leading To Swelling Or Softening Of The Hose Material.
- Mechanical Damage During Previous Repairs Or From Engine Bay Impact.
- Loose Or Failed Clamps Allowing Unmetered Air Ingress.
Replace The Air Intake Connector With Part Number 9656237580 / 1436L8 To Restore A Leak-Free Intake Path And Improve Engine Performance, Fuel Economy, And Diagnostic Stability. Suitable For Professional Use In Workshops And Confident DIY Repairs.







