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Problem Cause
The engine does not start when the
start motor turns the engine over
There is no fuel in the fuel tank. Refer to
To fill fuel on page 20
.
There is air in the fuel system.
Preheating is defective or too short
The engine is defective.
The fuel filter clogged.
To replace the fuel filters on page 35
.
The engine does not run smoothly The fuel filter is clogged. Refer to
To replace the fuel filters on page 35
.
The air filter is clogged. Refer to
To clean and replace the air filter on page
36
.
The fuel tank vent is blocked.
The feed pressure is too low.
The injector pipe is loose.
The engine is defective.
There is incorrect fuel type in the fuel tank.
The relief valve is defective.
The fuel injector is defective.
The injection pump is defective.
The feed pump is defective.
The engine overheats The cold air intake or the cooling fins are blocked.
The engine is overloaded.
The coolant level is too low.
The engine oil level is too low.
The product release black smoke There is incorrect fuel type in the fuel tank.
The air filter is clogged. Refer to
To clean and replace the air filter on page
36
.
The injection pump is defective.
The fuel injector is defective.
The product release blue smoke The engine oil level is too high.
The engine is defective.
The product release white smoke The cylinder in the engine is defective.
The engine oil level is too high.
52 1593 - 006 - 14.11.2022
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