MTU 12V2000G65 Operating Instructions Manual page 69

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