Exhaust gas black
Component
Probable Cause
Task
Air supply
Air filter clogged
Check signal ring position of service in‐
dicator (→ Page 144).
Fuel injection equip‐
ment
Injector defective
Replace (→ Page 123).
Injection pump defective
Replace (→ Page 119).
Engine
Overloaded
Contact Service.
Exhaust gas blue
Component
Probable Cause
Task
Engine oil
Too much oil in engine
Drain engine oil (→ Page 147).
Oil separator or oil preseparator of
crankcase breather clogged
Replace (→ Page 113).
Exhaust turbocharger
Cylinder head
Piston rings
Cylinder liner
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 136).
Intercooler
Leaking
Contact Service.
98 | Troubleshooting | MS150031/03E 2011-10
TIM-ID: 0000002547 - 001
Summary of Contents for 12 V 2000 M40A
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Page 22: ...Lube oil system covers 22 Product Summary MS150031 03E 2011 10 TIM ID 0000002178 003 ...
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