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Originally Posted by lietuviai
The other thread started as a different subject and evolved into actual problems with my system which seem to have no relation to the cavitation issue. I wanted to attract members with some knowledge of WVO systems without reposting the same questions.
I'm having what appears to be fuel delivery problems and surging issues when trying to accellerate.
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I have an OM617 in which I use UCO (Used Cooking Oil) as my main fuel.
I do not believe that any air will be in the UCO if it is heated to 60-80°C prior to the fuel filter.
The symptoms you describe are usually caused by lack of fuel, due to blocked filter, cold UCO and/or other fuel line restriction. If a significant suction is caused, air ingress will cause further issues and will result in the engine missing more and more, until it stalls.
I hope this has helped you.