977h engine performance problem

mardi 26 janvier 2016

Hi
This 977 I have is being a problem, it has a d333 engine and runs smooth until revs are increased above about 1/2 throttle. I have been through the fuel system, replaced filter, cleaned out primary bowl and gauze, removed air filter, replaced injector nozzles, even tried fitting a high pressure electric fuel pump and also checking the turbo bearings, but the engine still is breaking down under high fuel demand situations. Running out of ideas. Running out of patience. If anyone can help that would be great.


977h engine performance problem

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