How to Troubleshoot a Yanmar
The Yanmar company produces diesel engines that are known for their reliability. With consistent maintenance and servicing, you can ensure you will be able to use the engine for years. As with any engine, things can happen to cause malfunctioning such as corrosion, leaks and air in the fuel. Checking certain parts of your Yanmar diesel engine can help you figure out the source of the problem. Does this Spark an idea?
Instructions
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Check the oil and fuel levels to see if there is enough to start the engine. If they are too low, the engine won't start. Check the spark plugs. Worn or damaged spark plugs will cause issues for then engine. Check that the fuel filter is full of fuel.
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Look over the engine housing for any corrosion or damage. Check the engine pump; if the engine sputters, there may be a problem with the fuel injector. Look over the tubes and linings; a leak may cause engine failure.
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Open the injector line and crank the engine manually. Search for any loss of pressure, which may mean there is air in the fuel.
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References
- "Yanmar Diesel Inboards 1975-98"; Yanmar; 2000
