Scania fault code 4580
Code 4580 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Cylinder 5
The lambda sensor measures a mixture of fuel and air that is too lean.
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EMD
Cylinder 5
Cylinder 5 is generating an incorrect torque. The diagnosis is only activated at high load.
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EME
Cylinder 5
Cylinder 5 generates an incorrect torque. The diagnosis is only activated at high load.
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EMO
Cylinder 5 torque error
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.…
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