Description
Fuel Relay OMRON 240107 for Citroën and Peugeot. Used part with guaranteed functionality.
Overview
The OMRON 240107 fuel pump relay is a direct replacement relay commonly used on a range of Stellantis Citroën and Peugeot models. It controls power supply to the electric fuel pump, enabling correct fuel delivery during ignition and engine operation. This used part is supplied with a guarantee of functionality and is often searched for by its product numbers (240107, 19203N, 454935).
Compatibility
- Citroën C2
- Citroën C3
- Citroën C3 Pluriel
- Citroën C4
- Peugeot 207
- Peugeot 307
How It Works
The fuel pump relay supplies switched battery voltage to the fuel pump when the ignition is turned to ON and when the engine management unit requests pump operation. It isolates the high current draw of the pump from the vehicle’s ignition switch and provides a controlled on/off function. A faulty relay disrupts pump power and can lead to no-start, intermittent stalling, or loss of fuel pressure.
Replacement Procedure
Typical replacement steps for a mechanic or competent DIYer:
- Always Disconnect The Battery Before Starting Work To Prevent Short Circuits Or Damage.
- Locate The Relay—Usually Found In The Engine Bay Fuse/Relay Box Or In A Relay Block Under The Dashboard Depending On Model.
- Remove The Old Relay By Pulling Straight Out From Its Socket. Inspect The Socket And Wiring For Corrosion Or Heat Damage.
- Compare Part Numbers And Pinout Before Installing The Replacement Relay.
- Fit The New Relay, Reconnect Battery, Turn Ignition To ON And Listen For Fuel Pump Operation. Verify Fuel Pressure And Engine Start/Idle.
- Check Associated Fuses And Wiring If The Pump Does Not Activate After Relay Replacement.
Common Failure Reasons
- Contact Wear And Pitting From High Current Switching Over Time.
- Overheating Due To Poor Electrical Connections Or High Ambient Temperatures.
- Corrosion Or Moisture In The Relay Housing Or Socket Leading To Intermittent Contacts.
- Electrical Surges Or Faulty Fuel Pump Causing Excessive Load On The Relay.
Installation Recommendations
- Use The Correct OEM Or Equivalent Relay With Matching Pinout And Ratings.
- Inspect And Clean The Relay Socket And Connectors; Replace Damaged Wiring Or Terminals.
- Apply A Small Amount Of Dielectric Grease On Exposed Connectors To Reduce Corrosion Risk.
- After Installation, Confirm Fuel Pump Activation And Stable Fuel Pressure Before Road Testing.
- If Problems Persist, Test The Relay On A Bench Or Substitute With A Known Good Relay To Isolate The Fault.
Technical Information
Notes For Buyers
This listing is for a used OMRON 240107 fuel relay supplied with a guarantee of functionality. Because this part is commonly searched by reference numbers, verify the code stamped on your existing relay to ensure a direct match. Replacing a failing relay is a cost-effective repair for no-start or intermittent fuel delivery symptoms and is straightforward for an experienced mechanic or a competent DIY enthusiast.
