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Amber CraigSep 1, 2025
Why is the MTU 12 V 4000 G73 Engine speed not steady?
- TTimothy YatesSep 1, 2025
If the MTU Engine speed is not steady, the injector might be faulty and needs replacing.
Why is the MTU 12 V 4000 G73 Engine speed not steady?
If the MTU Engine speed is not steady, the injector might be faulty and needs replacing.
What causes MTU 12 V 4000 G73 Engine to fire unevenly?
If your MTU Engine is firing unevenly, the injector might be faulty and needs replacing.
Why is the charge air temperature too high in my MTU Engine?
If the charge air temperature is too high in your MTU Engine, the engine coolant concentration might be incorrect. Check the engine coolant concentration using the MTU test kit. Also, check fans and intake/exhaust lines.
Why is my MTU 12 V 4000 G73 Engine producing blue exhaust gas?
If your MTU Engine is producing blue exhaust gas, it could be due to too much oil in the engine, or the oil separator of the crankcase breather is contaminated. Try draining some engine oil. Also, replace the oil separator of the crankcase breather.
What to do if MTU 12 V 4000 G73 Engine turns but does not fire?
If the MTU Engine turns but does not fire, the battery might be low or defective. In this case, charge or replace the battery.
What to do if MTU Engine does not reach rated speed?
If the MTU Engine does not reach its rated speed, it might be due to a clogged fuel prefilter or a clogged easy-change fuel filter. Try replacing the fuel prefilter. If you have a service indicator, check its signal ring position if fitted.
Why is my MTU 12 V 4000 G73 producing black exhaust gas?
If the MTU Engine is producing black exhaust gas, the air filter might be clogged or the injector might be faulty. Check the signal ring position of the service indicator if fitted. Also, the injector should be replaced.
General| Engine Type | Diesel |
|---|---|
| Displacement | 57.2 liters |
| Number of Cylinders | 12 |
| Cylinder Arrangement | V |
| Bore | 170 mm |
| Stroke | 210 mm |
| Aspiration | Turbocharged |
| Cooling System | Liquid-cooled |
| Application | Power generation |
