P0312
Cylinder 12 Misfire Detected
1999-2000 BMW 323i E46 2.5L I6 🇩🇪
High SeverityPowertrain
Description
Misfire detected in cylinder 12.
Symptoms
- Check Engine Light
- Rough idle
Common Causes
- Worn plug #12
- Faulty coil
- Faulty injector
Diagnostic Steps
- Swap coil
- Inspect plug
- Test injector
Repair Notes
Diagnose cylinder 12.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0312 on Other Vehicles
Common Questions
What does code P0312 mean on a 1999-2000 BMW 323i E46?
P0312 stands for "Cylinder 12 Misfire Detected". Misfire detected in cylinder 12.
What are the symptoms of P0312 on a BMW 323i E46?
Common symptoms of P0312 include: Check Engine Light, Rough idle.
What causes P0312 on a 1999-2000 BMW 323i E46?
Common causes of P0312 include: Worn plug #12, Faulty coil, Faulty injector.