INSTALLATION & OPERATION MANUAL
L500 Series
- 63 -
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Engine rattling, noisy engine
Possible Causes
•Incorrect compensation of individual injectors
•No engine coolant temperature sensor signal
•Low compression pressure
•Clogged injector return line
•No rail pressure sensor signal
•Faulty injector
•Poor injector O-ring
•Carbon deposit on the injector
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Uneven acceleration / deceleration
Possible Causes
•Intermittent faulty fuel line connection
•Oil suction
•No rail pressure sensor signal
•ECU program error or hardware fault
•Leakage in intake system
•Damaged turbocharger or leakage in vacuum
line
•Clogged fuel filter
•Low compression pressure
•Leakage in high pressure fuel circuit
•Injector needle stuck
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Engine stops
Possible Causes
•Out of fuel
•Crank signals missing
•Fuel feed line not connected
•Fuel pressure regulator valve contaminated,
stuck, jammed
•Leakage in high pressure fuel circuit
•Rail pressure regulator valve contaminated,
stuck, jammed
•Fuel out of specification
•Faulty alternator or voltage regulator
•Bad fuel quality or water in fuel
•Faulty high/low pressure fuel pump
•Clogged low pressure fuel circuit
•ECU program error or hardware fault
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Performance loss
Possible Causes
•Incorrect compensation of individual injectors
•Leakage at the injector
•Clogged air filter
•Fuel or intake air temperature too high
•Oil level too high or too low
•Engine coolant temperature too high
•Damaged turbocharger or intake air leakage
•Low compression pressure
•Clogged fuel filter
•Poor valve clearance
Содержание L500 SERIES
Страница 1: ...INSTALLATION OPERATION MANUAL L500 Series...
Страница 11: ...INSTALLATION OPERATION MANUAL L500 Series 10 PERFORMANCE CURVES...
Страница 14: ...INSTALLATION OPERATION MANUAL L500 Series 13 ENGINE DIMENSIONS Top Side Front...
Страница 62: ...INSTALLATION OPERATION MANUAL L500 Series 61 MAINTENANCE LOG DATE MAINTENANCE PERFORMED ENGINE HOURS...
Страница 71: ...INSTALLATION OPERATION MANUAL L500 Series...