P0309high severityPowertrain
Cylinder 9 Misfire Detected
on 2017 Chevrolet Impala 2.5L I4 Ecotec · AWD
What this code means
Misfire detected in cylinder 9.
Symptoms
- Check Engine Light
- Rough idle
Common causes
- Worn plug #9
- Faulty coil #9
- Faulty injector #9
Diagnostic steps
- Swap coil
- Inspect plug
- Test injector
Repair notes
Diagnose cylinder 9.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1