Page 507 - Foton Workshop Manual - Tunland (AT)
P. 507
DIAGNOSTICS - ENGINE CONTROL SYSTEM 04-361
Fault phenomenon Possible reasons Refer to
4. Valve guide
5. Piston
1. Engine oil
Chapter 04 Diagnosis- the
Engine oil mixed with fuel 2. High pressure fuel pump motor control system, engine 04
oil mixed with fuel
3. Fuel injector
1. Lubrication system
2. Oil pressure switch
3. Oil pressure regulator Chapter 04 Diagnosis- the
Low oil pressure motor control system, low oil
4. Oil pump pressure
5. Oil condenser
6. ECM
1. Lubrication system
2. Oil pressure switch
3. Oil pressure regulator Chapter 04 Diagnosis- the
High oil pressure motor control system, high oil
4. Oil pump pressure
5. ECM
6. Oil condenser
1. Cooling system
Chapter 04 Diagnosis- the
Engine oil pollution 2. Lubrication system motor control system, engine
oil pollution
3. Engine oil
1. Lubrication system
2. Oil condenser
3. Crankcase ventilation
system
4. Turbocharger
Chapter 04 Diagnosis- the
Excessive oil consumption 5. Valve oil seal motor control system,
6. Piston ring Excessive oil consumption
7. Oil filter
8. Valve guide
9. Oil maintenance cycle
10. Engine oil
Engine oil temperature is 1. Oil condenser Chapter 04 Diagnosis- the
higher than the technical motor control system, the
2. Oil temperature
specification value engine oil temperature is
Page 507
