Blue exhaust gas
Cause Corrective action
Too much engine oil in the engine u Drain engine oil (→ Page 117).
Oil separator of crankcase
breather contaminated.
u Replace (→ Page 78).
Exhaust turbocharger is faulty. u Contact Service.
Cylinder head is faulty. u Contact Service.
Piston rings are faulty. u Contact Service.
Cylinder liner is faulty. u Contact Service.
White exhaust gas
Cause Corrective action
Engine is not at operating
temperature.
u Run engine to reach operating temperature.
Water in fuel u Check fuel system at fuel prefilter.
Drain water from fuel prefilter (→ Page 104).
Charge-air cooler leaky. u Contact Service.
MS15018/03E 2016-02 | Troubleshooting | 69
TIM-ID: 0000066976 - 001