P0305high severityPowertrain
Cylinder 5 Misfire Detected
on 2003 Mazda MX-5 Miata 1.8L I4 · RWD
What this code means
Misfire detected in cylinder 5.
Symptoms
- Check Engine Light
- Rough idle
- Loss of power
Common causes
- Worn spark plug #5
- Faulty ignition coil #5
- Faulty injector #5
- Low compression cyl 5
Diagnostic steps
- Swap coil #5
- Inspect plug #5
- Test injector #5
- Check compression
Repair notes
Swap coil to diagnose.
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