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Exhaust gas blue
Component
Cause
Engine oil
Too much engine oil in the engine
Oil separator of crankcase breather con-
taminated
Exhaust turbocharger,
Faulty
cylinder head, piston
rings, cylinder liner
White exhaust gas
Component
Cause
Engine
Not at operating temperature
Fuel system
Water in fuel
Intercooler
Leaking
Action
Drain engine oil (→ Page 167).
Replace (→ Page 115).
Contact Service.
Action
Run engine to reach operating tempera-
ture.
Check fuel system on fuel prefilter;
Drain water from fuel prefilter (not
switchable) (→ Page 143).
Drain fuel prefilter (switchable)
(→ Page 145).
Contact Service.
MS15054/03E 2018-07 | Troubleshooting | 79
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