MTU 8V2000M40A Operating Instructions Manual page 132

Engine does not reach rated speed
Component
Fuel supply
Air supply
Fuel injection equip-
ment
Engine wiring
Engine
Engine speed not steady
Component
Fuel injection equip-
ment
Speed sensor
Fuel system
ECU
Charge-air temperature too high
Component
Engine coolant
Intercooler
Engine room
Charge-air pressure too low
Component
Air supply
Intercooler
Exhaust turbocharger
Coolant leaks at intercooler
Component
Intercooler
132 | Troubleshooting | MS150031/06E 2016-010
Cause
Fuel supply blocked
Fuel prefilter clogged
Easy-change fuel filter clogged
Air filter clogged
Injector faulty.
Injection pump faulty
Faulty.
Overloaded
Cause
Injector faulty.
Injection pump faulty
Faulty.
Air in fuel system
Faulty.
Cause
Engine coolant treatment incorrect
Contaminated.
Air-intake temperature too high
Cause
Air filter clogged
Contaminated.
Faulty.
Cause
Leaking, major coolant discharge.
Measure
Completely open shutoff valve upstream
of fuel prefilter.
Replace (→ Page 183).
Replace (→ Page 172).
Check signal ring position of contamina-
tion indicator (→ Page 190).
Replace (→ Page 163).
Replace (→ Page 160).
Check (→ Page 218).
Contact Service.
Measure
Replace (→ Page 163).
Replace (→ Page 159).
Contact Service.
Vent fuel system (→ Page 170).
Contact Service.
Measure
Check (MTU test kit).
Contact Service.
Check fan.
Check air inlet/outlet ducts.
Measure
Check signal ring position of contamina-
tion indicator (→ Page 190).
Contact Service.
Contact Service.
Measure
Contact Service.