INJECTOR FAULT CODES

UnclassifiedCooling

What This Code Means

Rough running; Black smoke; Power loss; Elevated exhaust temperature; Reduced output; Battery failures

Possible Causes

•High-pressure common-rail injection system failure
•Injector failure
•Turbocharger degradation
•Charge cooler fouling
•Coolant circuit issues
•Battery degradation

Suggested Actions

1Replace injectors using specialized tooling and pre-tested replacement units
2Perform load bank test to verify output after service
3Load-test all four batteries at each annual service

Related Rehlko Fault Codes

INTAKE TEMPERATURE ALARMS L1-L2 LOW VOLTAGE INJECTOR CODES LOCKED ROTOR HE LOP FUEL PRESSURE FAULT LOW BATTERY FAULTS LOW CHARGING BATTERY ECM WARNINGS LOW COOLANT FAULT

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