Oil Leak

[smoky]

hi guys  got oil leak dripping from electrical plug attached below oil filter anyone give me any idea on cause of this and what  is best way to repair   thanks smoky

[paul.h]

Welcome to the forum.

 

Which engine is it and what year ?

 

Possibly it is the oil pressure switch which needs replacing but without knowing the engine it is not possible to tell but your Citroen dealer parts should provide the right part.