HomeTechnical SupportDiesel GeneratorsEngine doesn't start but smokes? The engine does not start and does not emit smoke to continue?

Engine doesn't start but smokes? The engine does not start and does not emit smoke to continue?

2022-11-30

1. The startup program is incorrect: verify whether the startup program is correct.

2. The starting speed of the engine is too low: check the starting speed of the engine by hand.

3. Start assist device is required in cold weather: Check whether the cold start assist device is working normally.

4. Air in the fuel system: Exhaust the fuel system and check for leaks.

5. Insufficient oil supply: Check whether the oil return line is connected to the bottom of the oil tank.

6. Fuel drain backup: Make sure the oil return line is connected to the bottom of the fuel tank.

7. Fuel pump relief valve failure: check the relief valve. Replace if necessary.

8. Oil pump failure: check the oil pump. Replace if necessary.

9. Large air intake resistance: Check whether there is resistance in the air intake system.

10. Fuel contamination: Verify by running the engine with clean fuel in a temporary tank.

11. Wrong adjustment of valve or fuel injector: Adjust the valve and fuel injector.

12. Fuel injector failure: check the fuel injector. Replace if necessary.

13. The oil level in the fuel tank is low: fill up the fuel tank.

14. Electric or manual fuel shut-off binding: Check for loose wires and verify that the solenoid valve is working. Check that the manual shutoff level is not binding on the injection pump.

15. Oil pump failure: check the oil pump. Replace if necessary.

16. Fuel drain backup: Make sure the return line is connected to the bottom of the fuel tank.

17. Fuel injection pump failure: perform a fuel injection pump test.

18. The timing of the fuel injector pump is incorrect: adjust the timing of the fuel injector.

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