Si applica a: EMO2 (EMS)
Cosa significa il codice di errore Scania EMO 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
Cosa causa il DTC 4577 di Scania?
Injectors Cylinder compression Intake / exhaust valves Balance shaft incorrectly assembled
Come reagisce il sistema?
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
Come risolvere il codice di errore Scania EMO 4577?
- Check the injector - cylinder balancing / performance test - focus first on the designated cylinder.
- If the problem persists, troubleshoot the other cylinders.
- Check the cylinder compression.
- 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
Queste informazioni sono solo indicative. Segui sempre il manuale di officina del produttore e le procedure di sicurezza; in caso di dubbio, contatta un'officina autorizzata.