Mitsubishi S6B

11-7
Chapter 11 TROUBLESHOOTING
Engine oil consumption is high
Table 11-7 Engine oil consumption is high
Cause Remedies
Fuel system Faulty fuel injection timing
Check fuel injection pump couplings.
Consult a Mitsubishi dealer.
Lubricating
system
Oil leakage to the outside of engine
Check oil leakage.
Consult a Mitsubishi dealer.
Engine oil viscosity too low Use appropriate oil viscosity. (Refer to P5-3)
Engine oil temperature is high.
Check amount of engine oil and lubrication system. (Refer to
P3-9)
Check oil cooler and oil thermostat
Consult a Mitsubishi dealer.
Cooling
system
Overheating
Check radiator. (Refer to P8-14)
Check control system.
Thermostat - Inspect
Consult a Mitsubishi dealer.
Inlet and
exhaust
systems
Spread oil to intake part
Check oil leakage to the turbocharger.
Consult a Mitsubishi dealer.
Wear of valve operating system Consult a Mitsubishi dealer.
Engine
mechanical
Wear of sliding parts
Consult a Mitsubishi dealer.
Control
system
Increase in load
Check control system and governor controller.
Consult a Mitsubishi dealer.