Operating instructions

Exhaust gas blue

Component Probable cause Task

Engine oil Too much engine oil in the engine Drain engine oil (→ Page 140).

Oil separator of crankcase breather

contaminated

Replace (→ Page 111).

Exhaust turbocharg‐

er, cylinder head, pis‐

ton rings, cylinder lin‐

Defective Contact Service.

Exhaust gas white

Component Probable cause Task

Engine Not at operating temperature Run engine to reach operating temper‐

ature.

Fuel system Water in fuel Check fuel system on fuel prefilter.

Drain fuel prefilter (→ Page 129).

Intercooler Leaking Contact Service.

54 | Troubleshooting | MS150093/01E 2012-06

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