Malfunctions
Problem
Insufficient engine output
Engine does not run on all cylinders
Insufficient or no engine oil pressure
Engine oil consumption too high
Engine smoke
4-2
Oil level too high
Fuel grade does not comply with specifications
Dirty air filter
Wrong valve clearance
Injection line leaks
Malfunctioning injection nozzle
Malfunctioning fuel injection pump
Injection line leaks
Malfunctioning injection nozzle
Oil level too low
Machine inclination too high (max. 15°)
Wrong SAE grade of engine lubrication oil
Oil level too high
Worn oil scraper rings
Machine inclination too high (max. 15°)
Wrong SAE grade
Oil level too high
Blue
Machine inclination too high (max. 15°)
Wrong oil
Engine starting temperature too low
Fuel grade does not comply with specifications
White
Wrong valve clearance
Malfunctioning injection nozzle
Malfunctioning cylinder-head gasket
Dirty air filter
Black
Wrong valve clearance
Malfunctioning injection nozzle
Possible causes
OM 803 us – Edition 3.7 * * 803b410.fm
See
5-7
5-35
5-12
5-7
5-35
5-7
5-7
5-35
5-12