What does fault code P0304 mean?

Cylinder 4 Misfire Detected. The ECM has detected a misfire on cylinder 4.

P0304

Cylinder 4 Misfire Detected

Q: What are the possible causes of P0304?

Cylinder 4 spark plug or ignition coil failure; Cylinder 4 fuel injector failure; Mechanical causes.

Severity: High Ignition System Generic Code

Detailed Description

The ECM has detected a misfire on cylinder 4.

Possible Causes

Cylinder 4 spark plug or ignition coil failure

Cylinder 4 fuel injector failure

Mechanical causes.

Solutions & Repair Guide

Follow the P0301 troubleshooting procedure, targeting cylinder 4.

Disclaimer: The information above is for reference only and does not constitute professional repair advice. Actual causes may vary depending on vehicle make, model, year, and configuration. Always consult a qualified technician for accurate diagnosis.