Hi all would appreciate some advice regarding my van it has just failed the mot stating "major defect fuel system component leaking" it appears one of my injector seals is leaking a small amount you can hardly see when running bit a fail is a fail, so is it an easy job to do ? And if i can't do it how much should i be looking at for the mechanic to do also I'm guessing it would make sense to replace all 4 or not ?
Thanks in advance Baz


