P1346high severityPowertrain
Misfire Cylinder 2 With Fuel Cut-Off
on 2000 BMW 528i 2.8L I6 M52 · RWD
What this code means
The DME detected a severe misfire on Cylinder 2 that triggered fuel injector shut-off. The catalytic converter protection system has deactivated the fuel injector for Cylinder 2 to prevent catalyst overheating.
Symptoms
- Check Engine Light flashing
- Rough running
- Loss of power
- Engine vibration
Common causes
- Faulty ignition coil Cylinder 2
- Worn spark plug Cylinder 2
- Faulty fuel injector Cylinder 2
- Low compression Cylinder 2
- Intake valve carbon buildup
Diagnostic steps
- Check misfire counters per cylinder
- Swap ignition coil from Cylinder 2 to another
- Inspect and replace spark plug Cylinder 2
- Test fuel injector operation
- Compression test Cylinder 2
Repair notes
Replace faulty ignition coil or spark plug on Cylinder 2.
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Other Powertrain codes on this vehicle
29CC
Misfire Cylinder 1
29CD
Misfire Cylinder 2
29CE
Misfire Cylinder 3
29CF
Misfire Cylinder 4
29D0
Misfire Cylinder 5
29D1
Misfire Cylinder 6
29D2
Misfire Cylinder 7
29E0
Lambda Additive/Idle Adaptation Limit, Bank 1
29E1
Lambda Additive/Idle Adaptation Limit, Bank 2
29E2
Lambda Multiplicative Part-Load Adaptation Limit, Bank 1