P0307 Nissan Code - Number 7 Cylinder Misfire Detected
Quick Answer
The P0307 diagnostic trouble code (DTC) for Nissan vehicles indicates that a misfire has been detected in the number 7 cylinder of the engine. Common causes include Faulty spark plug or ignition coil, Clogged fuel injector, Vacuum leak. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0307 Nissan indicates Number 7 Cylinder Misfire Detected.
- Common causes
- Common causes include Faulty spark plug or ignition coil, Clogged fuel injector, Vacuum leak.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P0307 Nissan Description
The P0307 diagnostic trouble code (DTC) for Nissan vehicles indicates that a misfire has been detected in the number 7 cylinder of the engine. This means that the cylinder is not firing properly, which can lead to a rough running engine, decreased performance, and potential damage to the catalytic converter. A misfire occurs when the air-fuel mixture in the cylinder fails to ignite at the right time, causing a disruption in the combustion process.
Common Causes of P0307 Nissan
- Faulty spark plug or ignition coil
- Clogged fuel injector
- Vacuum leak
- Low compression in the cylinder
- Engine control module (ECM) malfunction
Symptoms of P0307 Nissan
- Rough idle or engine shaking
- Loss of power or acceleration
- Engine misfiring or hesitation
- Illuminated check engine light
- Increased fuel consumption
How to Fix P0307 Nissan
- Diagnose the specific cause of the misfire by performing a comprehensive engine inspection and using a scan tool to identify the cylinder with the issue.
- Replace faulty spark plugs, ignition coils, or fuel injectors in the number 7 cylinder.
- Check for vacuum leaks and repair as needed.
- Perform a compression test to evaluate the health of the cylinder and address any low compression issues.
- Clear the DTC and test drive the vehicle to ensure the misfire has been resolved.
Cost to Fix P0307 Nissan
The cost of repairing a misfire in the number 7 cylinder of a Nissan vehicle can vary depending on the specific cause of the issue and the cost of parts and labor. On average, the repair cost for this issue can range from $150 to $500, including parts and labor. However, it is important to note that prices may vary based on the location of the repair shop, the make and model of the vehicle, and the type of engine. Additionally, diagnostic time and labor rates can impact the overall cost of the repair. It is recommended to obtain quotes from multiple auto repair shops to get a more accurate estimate for this repair.
Tech Notes for P0307 Nissan
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Frequently Asked Questions about P0307 Nissan Code
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