P2304
Ignition Coil D Secondary Circuit
2000-2005 Chevrolet Impala 3.4L V6
High SeverityPowertrainGeneric (SAE)
Description
Fault in ignition coil D secondary circuit (typically cylinder 4).
Symptoms
- Cylinder 4 misfire
- Check engine light
- Engine shaking
Common Causes
- Failed coil
- Spark plug fouled
- Carbon tracking
Diagnostic Steps
- Coil swap test
- Plug inspection
- Check for oil in spark plug well
Repair Notes
Replace coil. Check valve cover gasket if oil in plug well.
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
P2304 on Other Vehicles
Chevrolet Astro
1995-2005 4.3L V6 Vortec
Chevrolet Avalanche
2002-2006 5.3L V8 Vortec
Chevrolet Avalanche
2002-2006 8.1L V8 Vortec
Chevrolet Avalanche
2007-2013 5.3L V8 Vortec
Chevrolet Avalanche
2007-2013 6.0L V8 Vortec
Chevrolet Aveo
2012-2018 1.6L I4
Chevrolet Beat
2018-2021 1.2L I4
Chevrolet Beretta
1990-1996 2.2L I4
Common Questions
What does code P2304 mean on a 2000-2005 Chevrolet Impala?
P2304 stands for "Ignition Coil D Secondary Circuit". Fault in ignition coil D secondary circuit (typically cylinder 4).
What are the symptoms of P2304 on a Chevrolet Impala?
Common symptoms of P2304 include: Cylinder 4 misfire, Check engine light, Engine shaking.
What causes P2304 on a 2000-2005 Chevrolet Impala?
Common causes of P2304 include: Failed coil, Spark plug fouled, Carbon tracking.