hi there, before you go to any great expense get 2 bottles of diesel fuel flush and put one directly into the filter and the other into the fuel tank when you are at the 1/4 mark but dont fill it with fuel. run the engine at a constant 2500 rpm for 10 min then recheck fault. check out here for fuel flush details. go to products tab and select diesel fuel flush. it may also help replacing the air filter and doing an engine flush then replacing the oil. cheers. davie. www.forteuk.co.uk available from local factors or accessory shops.
Thanks Davie, give me sometime i try out you suggestation, will come back to you soonest.