fuel leak

[mikesthedaddy1]

Hi guys have noticed rainbowing under the car and smelling of derv have tried to find the leak but from what I can see I have a slight drip coming off the rail or possibly coming from glow plug port but the way the car is using derv it cant be these it has used a quarter in a 20 mile trip seems to leak more when driven hard please help as this is my daily and costing me a fortune now

[PeterN]

Check the leak off pipes on the injectors first.

Peter

[jasper5]

Check the fuel filter housing lid.

[mikesthedaddy1]

Fixed it turns out a bolt on the rail was loose