P0303

Cylinder 3 Misfire Detected

Severity: High Ignition System Generic Code

Detailed Description

The ECM has detected a misfire on cylinder 3.

Possible Causes

Cylinder 3 spark plug or ignition coil failure
Cylinder 3 fuel injector failure
Mechanical causes.

Solutions & Repair Guide

Follow the P0301 troubleshooting procedure, targeting cylinder 3.
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.