Blue exhaust gas
Cause
Corrective action
Too much oil in engine.
u
Drain engine oil (→ Page 98).
Oil separator or oil preseparator
of crankcase breather clogged.
u
Replace (→ Page 74).
Exhaust turbocharger faulty.
u
Contact Service.
Cylinder head is faulty.
u
Contact Service.
Piston rings are defective.
u
Contact Service.
Cylinder liner defective.
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 fuel prefilter (→ Page 86).
Charge-air cooler leaky.
u
Contact Service.
MS150119/00E 2014-08
| Troubleshooting | 59
TIM-ID: 0000055288 - 001
