Deutz Fault Code
Free · no signupCode 6-1-3 / SPN 653 FMI 5
Dead Misfire Cylinder 3 / Engine Shake
System
Fuel System
Symptom
Dead Misfire Cylinder 3 / Engine Shake
Diagnosis & fix steps
LOGIC: Unit Pump / Injector Solenoid Cylinder 3 Open Circuit.
ACTION: Measure Cylinder 3 unit pump coil resistance. Verify clean terminal connection pins at the EMR main breakout harness plug.
Red Seal field insights
Current Loop: Driver channel tracking failure isolates Cylinder 3, shutting down fuel pulse initiation on that unit pump.
Track this across your whole fleet
This code is free to read. AM Fleet Integrity lets your team log fault codes against assets, plus the full fault-code library, QR operator reporting, PM scheduling and predictive alerts. Start free — no credit card required.
Start your free trial