P0303
Cylinder 3 Misfire Detected
2002-2005 Audi A4 3.0L V6
High SeverityPowertrainGeneric (SAE)
Description
Misfire detected in cylinder 3.
Symptoms
- Check Engine Light
- Rough idle
- Vibration
- Loss of power
Common Causes
- Worn spark plug #3
- Faulty ignition coil #3
- Faulty injector #3
- Low compression cyl 3
Diagnostic Steps
- Swap coil #3
- Inspect spark plug #3
- Test injector #3
- Check compression
Repair Notes
Swap coil to diagnose.
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
P0303 on Other Vehicles
Common Questions
What does code P0303 mean on a 2002-2005 Audi A4?
P0303 stands for "Cylinder 3 Misfire Detected". Misfire detected in cylinder 3.
What are the symptoms of P0303 on a Audi A4?
Common symptoms of P0303 include: Check Engine Light, Rough idle, Vibration, Loss of power.
What causes P0303 on a 2002-2005 Audi A4?
Common causes of P0303 include: Worn spark plug #3, Faulty ignition coil #3, Faulty injector #3, Low compression cyl 3.