P0301
Cylinder 1 Misfire Detected
1998-2003 Dodge Durango 3.9L V6
High SeverityPowertrainGeneric (SAE)
Description
The PCM has detected a misfire condition specifically in cylinder 1.
Symptoms
- Check Engine Light
- Rough idle
- Vibration
- Loss of power
- Fuel smell from exhaust
- Poor fuel economy
Common Causes
- Worn or fouled spark plug #1
- Faulty ignition coil #1
- Damaged spark plug wire
- Faulty fuel injector #1
- Low compression cylinder 1
- Vacuum leak near cylinder 1
Diagnostic Steps
- Swap ignition coil #1 with another cylinder to see if misfire follows
- Inspect spark plug #1
- Test fuel injector #1
- Check compression cylinder 1
- Check for vacuum leaks near cylinder 1
Repair Notes
Try swapping coil first. If misfire follows the coil, replace it. If not, check plug, injector, then compression.
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
P0301 on Other Vehicles
Common Questions
What does code P0301 mean on a 1998-2003 Dodge Durango?
P0301 stands for "Cylinder 1 Misfire Detected". The PCM has detected a misfire condition specifically in cylinder 1.
What are the symptoms of P0301 on a Dodge Durango?
Common symptoms of P0301 include: Check Engine Light, Rough idle, Vibration, Loss of power, Fuel smell from exhaust, Poor fuel economy.
What causes P0301 on a 1998-2003 Dodge Durango?
Common causes of P0301 include: Worn or fouled spark plug #1, Faulty ignition coil #1, Damaged spark plug wire, Faulty fuel injector #1, Low compression cylinder 1, Vacuum leak near cylinder 1.