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Fault code: EMS 4630 SCANIA

Finding the fault code

Enter the fault code System

Fault code:

Unit injector for cylinder 1

The control unit has detected that the solenoid valve in the unit injector has closed too late. Start of injection timing is later than expected.

The fault can be due to the solenoid valve jamming or the resistance in the electrical cables being too high.

The fault causes the engine to run somewhat unevenly.

Check the electrical cables and clean the connector.

Clear the fault code memory.

Start the engine. Renew the unit injector if the fault code is generated again.