What does fault code P0307 mean?
Diagnostic trouble code P0307 is defined as Cylinder 7 Misfire Detected. This standard OBD2 code is triggered when your car's powertrain or module sensor voltage deviates from calibrated safety tolerances.
Severity & Can I Drive With Code P0307?
Severity Rating: 4/5 (High Severity)
⚠️ Drivability Warning: Prolonged driving with this code is not recommended. Prompt repair is suggested to prevent secondary component damage.
Common Symptoms of P0307
- Engine stumble
- Check engine light
Common Causes Ranked by Likelihood
- Coil #7 failure
- Plug #7 worn
DIY Repair & Troubleshooting Steps
- Swap coil #7
- Check plug #7
Professional Shop Repair & Estimated Cost Range
- Replace coil #7
Estimated Repair Cost Range: $90 - $400
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