Exhaust gas black
Component
Cause
Measure
Air supply
Air filter clogged
Check signal ring position of contamina-
tion indicator (→ Page 190).
Fuel injection equip-
ment
Injector faulty.
Injection pump faulty
Engine
Overloaded
Contact Service.
Exhaust gas blue
Component
Cause
Measure
Engine oil
Too much engine oil in the engine
Drain engine oil (→ Page 193).
Oil separator or oil-preseparator of
crankcase breather clogged
Exhaust turbocharger
Cylinder head
Piston rings
Cylinder liner
Faulty.
Contact Service.
Exhaust gas white
Component
Cause
Measure
Engine
Not at operating temperature
Run engine to reach operating tempera-
ture.
Fuel system
Water in fuel
Check fuel system at fuel prefilter
Drain fuel prefilter (→ Page 176).
Intercooler
Leaking
Contact Service.
MS150031/06E 2016-010
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