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SOURCE: I have problem with my MAN truck TGA 33.400 It
EDC 03779-10 = Fuel pressure too low in the common rail.
Start by checking the fuel filters and the likes for deposits or leaks. Then take it to a repair shop and have them check the fuel pump itself. Finally they will have to dismantle the common rail and the injectors to check for abnormal wear.
This is a big job and if the pump will have to be replaced, very expensive.
SOURCE: I have problem with my MAN truck TGA 18.350 It seems to me in the dashboard EDC 03778-10 diagnosis.
man tga code 03778 /03779
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