i have replaced the fuel lift pump and soloniod still doing it im lost for ideas. have also checked for diesel leaks :(

hi i have a discovery (k reg) 200 tdi i have an intermittent engine cut out. driving along and the engine just dies (as if no fuel) i checked the diesel filter and replaced the filter fuel in the filter so i know fuel is getting this far at least. i turn the key it starts and then ill be...