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Westerbeke 30B wont run, any ideas?
I am helping my friend with his Gemini that has a Westerbeke 30B, 3 cylinder. The engine with about 4000 hours. It has been working fine, but last month he made it to the outer channel marker and the engine quit. Since then we have tried several things but no luck.
The symptoms are the engine acts like it wants to start, and will sometimes run for 30 seconds to a minute, but very rough, giving off smoke and soot on the water, then quits.
I don't want to drag out this post so I won't go into the whole troubleshooting story, but to summarize,
we found some water and crud in the fuel, so he changed the filters and had the tanks drained and re-filled.
He also had the injectors rebuilt and the high pressure pump replaced thinking they may have become plugged.
I am wondering if there may be an air leak somewhere, but we are running out of ideas. I would appreciate any thoughts of what our next troubleshooting steps should be!