Page 967 - Workshop Manual - Tunland (2017)
P. 967
DIAGNOSTICS - ENGINE CONTROL SYSTEM 04-281
04
Fault phenomenon Possible reasons Refer to
14. Engine oil
15. Intake and exhaust pipe
1. Engine oil Chapter 04 Diagnosis- the
Excessive engine noise -
motor control system,
main bearing 2. Crankshaft or main bearing excessive engine noise
1. Overhead mechanism
2. Injector Chapter 04 Diagnosis- the
Excessive engine noise -
3. Piston or piston ring motor control system,
piston excessive engine noise
4. Connecting rod
5. Piston pin
1. Intake system
Excessive engine noise - 2. Intake pipe Chapter 04 Diagnosis- the
motor control system,
turbocharger 3. Turbocharger excessive engine noise
4. Exhaust pipe
1. Fuel
2. Overhead mechanism Chapter 04 Diagnosis- the
Excessive engine noise - 3. Injector motor control system,
burning knock
4. Injection timing excessive engine noise
5. Piston
1. Engine oil
2. Connecting rod and Chapter 04 Diagnosis- the
Excessive engine noise - connecting rod bearing motor control system,
connecting rod
3. Crankshaft journal excessive engine noise
4. Piston pin
1. Engine accessory belt Chapter 04 Diagnosis- the
Excessive engine noise - motor control system,
driving belt 2. Idler wheel or tensioner
wheel excessive engine noise
1. Battery
2. Starter or starter circuit
Chapter 04 Diagnosis- the
The engine can not be motor 3. Crankshaft motor control system, the
jigger- (electric starter motor) 4. Camshaft engine can not be motor
jigger - (electric starter motor)
5. Timing mechanism
6. ECM
