P1347high severityPowertrain
Misfire Cylinder 3 With Fuel Cut-Off
on 2004 BMW 325i 2.5L I6 M54 · RWD
What this code means
The DME detected a severe misfire on Cylinder 3 that triggered protective fuel injector shut-off. Continued driving with this condition may cause catalytic converter damage.
Symptoms
- Check Engine Light flashing
- Rough running
- Loss of power
- Exhaust odor
Common causes
- Faulty ignition coil Cylinder 3
- Worn spark plug Cylinder 3
- Fuel injector failure Cylinder 3
- Low compression
- Valve train issue Cylinder 3
Diagnostic steps
- Read cylinder-specific misfire counters
- Swap ignition coil to isolate fault
- Inspect spark plug condition
- Test fuel injector
- Perform compression and leak-down test
Repair notes
Replace faulty ignition coil or spark plug on Cylinder 3.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1