11-5
Chapter 11 TROUBLESHOOTING
Exhaust Smoke is White or Blue
Note: The table above also includes the parts not supplied by Mitsubishi Heavy Industries, Ltd. For the parts not sup-
plied by Mitsubishi Heavy Industries, Ltd., inspect and maintain them by following the manufacturer's operation
manual.
Table 11-4 Exhaust Smoke is White or Blue
Causes Remedies
Fuel system
Improper fuel properties
Check cetane index, and use appropriate fuel.
(Refer to P4-2).
Faulty fuel injection timing
Check fuel injection pump couplings.
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Faulty fuel injection nozzle Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Uneven fuel injection
Check ignition noise, exhaust smoke temperature, left and
right bank balance.
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Incorrect fuel injection timing Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Lubricating
system
Combustion of engine oil
Check amount of engine oil and lubrication system.
(Refer to P3-12).
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Cooling
system
Overcooled
Check radiator.
Check control system.
Thermostat - Inspect
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Electrical
system
Faulty water heater operation
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Basic engine
Faulty valve timing Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Low compression pressure Consult a dealer of Mitsubishi Heavy Industries, Ltd.
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