OS140FI

[Frans D. Sutadji]

I have an OS140FI engine that starts and idles o.k but runs bloody rich at mid and high throttle, setting the injection trim using TmM and TmH even at full lean does not help, the engine will just die rich.

If I pinch the fuel line then the engine seems o.k.

The rpm sensor seems o.k, and temperature sensor is also o.k.

I suspect the injector is faulty.

Any comment will be greatly appreciated.

Thanks,
Frans Sutadji
Jakarta, Indonesia
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