Blue exhaust gas
Component
Cause
Action
Engine oil
Too much engine oil in the engine
Drain engine oil (→ Page 122).
Oil separator of crankcase breather con-
taminated
Replace (→ Page 94).
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 111).
Intercooler
Leaking
Contact Service.
MS150118/01E 2015-05
| Troubleshooting | 63
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