613
Thermo King
Warning

Check Injectors

The ECU has detected an anomaly in one or more fuel injectors.

Possible causes

  • Injector solenoid shorted or open
  • Loose injector connector under valve cover
  • ECU power driver failure

Recommended actions

  • Perform injector test via software
  • Verify injector harness (pass-through)
  • Measure injector coil resistance

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