Certainly is worth a try! I'll give the garage a ring in the morning and arrange to pick it up and this'll be the first thing I do! I'll be over the moon if it sorts the problem after all of this and at little cost!
Do you recommend any particular cleaner and fuel additive?
How interesting!
I'll give it a go when I get her back and fill her up with some super and cross my fingers! Thanks for letting me know Rev Rob
Yeah I think you're right, they were recommended to us but it's been a bit of a long drawn out affair, I think as you say it's time to move on will try the cleaner and super diesel and if all else fails will try the diesel specialists that Kermit previously suggested.