MTU 16V2000M96L - Page 64

Engine speed not steady
Cause Corrective action
Injector faulty u Replace (→ Page 88).
Injection pump faulty u Contact Service.
Speed sensor is faulty. u Contact Service.
Air in fuel system u Vent fuel system (→ Page 94).
Charge-air temperature too high
Cause Corrective action
Engine coolant treatment
incorrect
u Check (MTU test kit).
Charge-air cooler is contaminated. u Contact Service.
Air inlet temperature in engine
room is too high.
u Check fan
Check air inlet/outlet ducts.
Charge-air pressure too low
Cause Corrective action
Air filter clogged. u Check signal ring position of contamination indicator (→ Page 116).
Charge-air cooler is contaminated. u Contact Service.
Exhaust turbocharger faulty. u Contact Service.
Coolant leaks at charge-air cooler
Cause Corrective action
Major coolant discharge at drain
valve of the charge-air cooler.
Charge-air cooler leaky.
u Contact Service.
Black exhaust gas
Cause Corrective action
Air filter clogged. u Check signal ring position of contamination indicator (→ Page 116).
Injector faulty. u Replace (→ Page 88).
Injection pump faulty. u Contact Service.
Blue exhaust gas
Cause Corrective action
Too much engine oil in the engine u Drain engine oil (→ Page 119)
Exhaust turbocharger faulty. u Contact Service.
Cylinder head is faulty. u Contact Service.
Piston rings are defective. u Contact Service.
Cylinder liner defective. u Contact Service.
64 | Troubleshooting | MS150119/01E 2016-02
TIM-ID: 0000055288 - 003