Scania EMS DTC 4720 Unit injector for cylinder 7

EMS Engine Management System · Scania · 2 variants

Code 4720 (decimal). Some diagnostic tools show it in hexadecimal as 1270.

In short

The control unit has built up the current in the unit injector solenoid valve too quickly.

Variant 1

Applies to: EMS S6

What does Scania EMS fault code 4720 mean?

What causes Scania DTC 4720?

How does the system react?

How to fix Scania EMS fault code 4720?

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Variant 2: Outdoor temperature sensor T27 or charge air temperature sensor T121

Applies to: EMS S8

This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.

Code 4720 in other Scania systems

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