Scania EMO DTC 4577 Cylinder 2 torque error

EMO EMO Steuergerät · Scania

Code 4577 (dezimal). Manche Diagnosegeräte zeigen ihn hexadezimal als 11E1 an.

Kurz gesagt

The engine speed signal is expected to behave in a certain way when a combustion occurs. If the cylinders contribution to engine torque is larger than expected a fault code is set. The diagnose is only active at high load

Gilt für: EMO2 (EMS)

Was bedeutet der Scania EMO Fehlercode 4577?

The engine speed signal is expected to behave in a certain way when a combustion occurs. If the cylinders contribution to engine torque is larger than expected a fault code is set. The diagnose is only active at high load

Was verursacht den Scania DTC 4577?

Injectors Cylinder compression Intake / exhaust valves Balance shaft incorrectly assembled

Wie reagiert das System?

The engine may run unevenly or even be severely damaged. If several injectors are faulty the diagnosis will not work as expected and may point out the wrong injector

Wie behebt man den Scania EMO Fehlercode 4577?

  1. Check the injector - cylinder balancing / performance test - focus first on the designated cylinder.
  2. If the problem persists, troubleshoot the other cylinders.
  3. Check the cylinder compression.
  4. If all injectors are okay, and the compression test does not show any problem, check the installation of the balance shaft To verify that the problem is resolved, drive the vehicle out on the road - drive with a high load on the engine

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Code 4577 in anderen Scania Systemen

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