Deutz Fault Code

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Code 6-1-4 / SPN 654 FMI 5

Dead Misfire Cylinder 4 / Engine Shake

System

Fuel System

Symptom

Dead Misfire Cylinder 4 / Engine Shake

Diagnosis & fix steps

LOGIC: Unit Pump / Injector Solenoid Cylinder 4 Open Circuit. ACTION: Test Cylinder 4 unit pump solenoid coil resistance. Inspect harness routing along the side of the engine block for insulation chafing.

Red Seal field insights

Current Loop: Open circuit state on the 4th cylinder drive line prompts the EMR to shut down actuation commands to protect the driver module.

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