injection system guzd30

[paully]

Had injector pump replaced months ago, now rough starts in morning blows blue white smoke eng lamp comes on, had it checked saying p77 code which is injection system had all wiring checked under the bonnett had pump back out it was ok chec ked fuel line for leaks, replaced hand primer , the problem gets worse when fuel tank is getting lower, pickup in tanks is also fine. does anyone have any thoughs cause im totolly lost on this one

[johno1938]

easy just keep the tank full
sorry the gate was open
nissan has it as a warrentee repair but wont give any secrets away

[paully]

lol good on ya johno 20 litres petrol and box matches sounds good

[nipagu7]

sounds more like a blown head gasket to me .