C3 Pic. DV6C Additive tank renewal — CITROEN

🧭 Before you start

Don't miss

• The flexible reservoir must fit flush with the additive tank housing
• Do not re-use the drained fluid or fluid from opened containers

🔧 Engine codes this applies to

📋 Procedure

1. Raise the vehicle
2. Remove the underbody cover
3. Note: The fuel tank should contain at least 20 litres of fuel
4. Disconnect the connector
5. Disconnect the pipe

6. Release the clips
7. Run the engine until warm
8. Temperature (°C):
9. Connect the diagnostic tool
10. Read out the fault codes
11. Delete all the fault codes
12. Note: The flexible reservoir must fit flush with the additive tank housing
13. Follow the instructions on the screen of the diagnostic tool
14. Note: Plug all open lines to prevent damage
15. Note: Do not re-use the drained fluid or fluid from opened containers
16. Refit all other parts in the reverse order of removal
17. Reset the additive system
18. Reprogram the additive pump
19. Use the diagnostic tool
20. Run the engine at idle speed
21. Wait until the engine has cooled down
22. Stop the engine
23. Disconnect the battery

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