Defective temperature sensor in the intake manifold
- Check sensor
Fuel temperature sensor defect
- Check sensor
Injector needle travel sensor defect
- Check sensor
Leaky or defective injection start valve
- Check valve
Faulty air flow meter potentiometer
- Check potentiometer
Faulty air mass meter
- Check flow meter
Faulty exhaust gas recirculation system
- Check the system
Leakage in the intake tract
- Check and repair leaks if necessary
Boost air pressure too high
- Check turbocharger and boost air pressure control
Fuel cut-off valve leaking or «sticks»
- Check fuel shut-off valve
Height corrector defect
- Check the height corrector
Start of fuel supply injection pump set incorrectly
- Check start of feed and adjust if necessary
Clogged fuel filter
- Replace filter
Faulty engine speed sensor
- Check sensor
Engine won't start or stalls after starting
Insufficient power to the control unit or broken power wire
- Check fuses 21 and 27 as well as surge protection relays
Spool stroke potentiometer defective
- Check potentiometer
Flow regulator defective
- Check Regulator
Engine does not start or starts with difficulty
Faulty engine speed sensor
- Check sensor
Faulty coolant temperature sensor
- Check sensor
Defective preheating system
- Check the preheat system
The engine runs unevenly
Injector needle travel sensor defect
- Check sensor
Leakage in the intake tract
- Check and repair leaks if necessary
Start of fuel supply injection pump set incorrectly
- Check start of feed and adjust if necessary
Faulty engine speed sensor
- Check sensor
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