thanks for replying all ideas worth investigating i feel like sherlock homes
thanks ill check that one out ive lost more diesel in sump and over £60.00 oil changes fresh oil etc id rather be cruising
thanks ive informed the mechanic of this and he was going to check this out im desperatly looking on internet ive got a parts book and workshop manual on board but cant get there till next week but this seems a most plausible idea weve had as ive bought a new lift pump and still no change im excited about this and thanks for repling will let you no if indeed it has been the problem all this time.
i think you may have found my problem cant wait to get the boat back to the mechanic thanks i owe you one