Blue exhaust gas
Component Cause Action
Engine oil Too much oil in engine Drain engine oil (→ Page 103).
Oil mist fine separator of crankcase
breather clogged
Replace (→ Page 76).
Exhaust turbocharger
Cylinder head
Piston rings
Cylinder liner
Faulty Contact Service.
White exhaust gas
Component Cause Action
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 93).
Intercooler Leaking Contact Service.
MS150094/02E 2015-05 | Troubleshooting | 45
TIM-ID: 0000025278 - 001
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