SHB 28Z3 EN – Edition 2.0 * 28z3s410.fm 4-19
Engine
Insufficient engine output
Lube oil level too high
Fuel grade does not comply with specifications
Dirty fuel filter
Dirty air filter
Defective air filter maintenance switch or gauge
Wrong valve clearance
Injection line leaks
Defective fuel injector
Air in fuel system
Engine does not run on all cylinders
Injection line leaks
Defective fuel injector/injection pump
Insufficient or no engine oil pressure
Lube oil level too low
Machine inclination too high
Wrong SAE grade of engine lubrication oil
Engine oil consumption too high
Lube oil level too high
Machine inclination too high
Wrong SAE grade of engine lubrication oil
Worn oil scraper rings
Engine smoke
Blue
Lube oil level too high
Machine inclination too high
Engine oil combustion (defective cylinder-head gasket)
Wrong SAE grade of engine lubrication oil
Worn oil scraper rings
White
Engine starting temperature too low
Fuel grade does not comply with specifications
Defective fuel injector
Exteme misalignment of injection time
Coolant combustion (defective cylinder-head gasket)
Black
Dirty air filter
Defective air filter maintenance switch or gauge
Defective fuel injector (drips)
Wrong fuel injection pump setting
Wrong valve clearance
Dirty injection nozzle
Problem Possible causes