MTU M015710/04E Operating Instructions Manual page 66

Exhaust gas blue
Component Probable cause
Engine oil Too much engine oil in the engine
Oil separator of crankcase breather
contaminated
Exhaust turbocharg‐ Defective
er, cylinder head, pis‐
ton rings, cylinder lin‐
er
Exhaust gas white
Component Probable cause
Engine Not at operating temperature
Fuel system Water in fuel
Intercooler Leaking
Task
Drain engine oil (→ Page 167).
Replace (→ Page 138).
Contact Service.
Task
Run engine to reach operating temper‐
ature.
Check fuel system on fuel prefilter.
Drain fuel prefilter (→ Page 156).
Contact Service.
M015710/04E 2012-09 | Troubleshooting | 81