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. Replace (→ Page 163).
Injection pump faulty Replace (→ Page 159).
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
Replace (→ Page 152).
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 | Troubleshooting | 133
TIM-ID: 0000002547 - 003
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