Deutz Fault Code

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Code 6-1-2 / SPN 652 FMI 5

Dead Misfire Cylinder 2 / Engine Shake

System

Fuel System

Symptom

Dead Misfire Cylinder 2 / Engine Shake

Diagnosis & fix steps

LOGIC: Unit Pump / Injector Solenoid Cylinder 2 Open Circuit. ACTION: Measure Cylinder 2 unit pump solenoid resistance. Trace control harness back to EMR module pins for wire fatigue or corrosion.

Red Seal field insights

Current Loop: Loss of electrical continuity on Cylinder 2 drive line disables high-pressure fuel delivery to that individual cylinder.

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