MTU 8 V 2000 M51A Operating Instructions Manual page 151

Black exhaust gas
Component Cause
Air supply Air filter clogged
Fuel injection equip‐ Injector faulty
ment
Injection pump defective
Engine Overloaded
Blue exhaust gas
Component Cause
Engine oil Engine oil level too high
Oil separator or oil-preseparator of
crankcase breather clogged
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
Measure
Check signal ring position of contami‐
nation indicator (→ Page 206).
Replace (→ Page 183).
Replace (→ Page 179).
Contact Service.
Measure
Drain engine oil (→ Page 209).
Replace (→ Page 172).
Contact Service.
Measure
Run engine to reach operating temper‐
ature.
Check fuel system at fuel prefilter
Drain fuel prefilter (→ Page 198).
Contact Service.
MW15550/06E 2012-02 | Troubleshooting | 151