Engine-CodesNissan – P0302 2010 Nissan Pathfinder

P0302 2010 Nissan Pathfinder Code - Number 2 Cylinder Misfire Detected

Quick Answer

When a diagnostic trouble code P0302 is triggered in a 2010 Nissan Pathfinder, it indicates that a misfire has been detected in the number 2 cylinder of the engine. Common causes include Faulty spark plug, Faulty ignition coil, Clogged fuel injector. 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
P0302 2010 Nissan Pathfinder indicates Number 2 Cylinder Misfire Detected.
Common causes
Common causes include Faulty spark plug, Faulty ignition coil, Clogged fuel injector.
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.
Table of contents Created and updated by William Orellana on Sep 14, 2024
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Code P0302 2010 Nissan Pathfinder Description

When a diagnostic trouble code P0302 is triggered in a 2010 Nissan Pathfinder, it indicates that a misfire has been detected in the number 2 cylinder of the engine. This means that the cylinder is not firing properly, which can lead to a variety of performance issues. A misfire can cause rough idling, hesitation or stumbling during acceleration, a noticeable decrease in power, increased fuel consumption, and potentially even engine stalling.

OBDII Code P0302 2010 Nissan Pathfinder - Number 2 Cylinder Misfire Detected
P0302 2010 Nissan Pathfinder Code - Number 2 Cylinder Misfire Detected

Common Causes of P0302 2010 Nissan Pathfinder

  1. Faulty spark plug
  2. Faulty ignition coil
  3. Clogged fuel injector
  4. Low fuel pressure
  5. Vacuum leaks

Symptoms of P0302 2010 Nissan Pathfinder

  1. Rough idling
  2. Hesitation or stumbling during acceleration
  3. Decreased power
  4. Increased fuel consumption
  5. Engine stalling

How to Fix P0302 2010 Nissan Pathfinder

  1. Perform a compression test to check for any issues with the cylinder's compression.
  2. Inspect and replace the spark plug in the number 2 cylinder.
  3. Check and replace the ignition coil if necessary.
  4. Clean or replace the fuel injector in the number 2 cylinder.
  5. Test and adjust fuel pressure to ensure it is within the manufacturer's specifications.

Cost to Fix P0302 2010 Nissan Pathfinder

The cost of repairing a misfire in the number 2 cylinder of a 2010 Nissan Pathfinder can vary depending on the specific cause of the issue. On average, the cost of parts for this repair can range from $50 to $200, while labor costs can range from $100 to $300. However, it's important to note that these are rough estimates, and actual costs may vary based on factors such as location, the mechanic's rates, and the extent of the repairs needed. It's recommended to obtain quotes from local auto repair shops for a more accurate estimate.

Tech Notes for P0302 2010 Nissan Pathfinder

The P0302 code means that cylinder #2 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder #2. If the problem persists more tests need to be done to diagnose the problem. See "Possible Causes" for the most common problems.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0302 2010 Nissan Pathfinder Code

1. What are the common symptoms of OBDII code P0302 on a 2010 Nissan Pathfinder?

- Common symptoms include engine misfires, rough idling, loss of power, and potential increase in fuel consumption.

2. What does the OBDII code P0302 indicate specifically in a 2010 Nissan Pathfinder?

- This code specifically indicates a misfire detected in the number 2 cylinder of the engine.

3. What are the possible causes of a number 2 cylinder misfire in a 2010 Nissan Pathfinder?

- Possible causes include faulty spark plugs, ignition coil issues, vacuum leaks, fuel injector problems, or low compression in the cylinder.

4. How can I diagnose the cause of the number 2 cylinder misfire in my 2010 Nissan Pathfinder?

- Diagnostic steps may include checking the condition of spark plugs and ignition coils, conducting a compression test, inspecting for vacuum leaks, and scanning for other related trouble codes.

5. Can driving with OBDII code P0302 on a 2010 Nissan Pathfinder cause further damage?

- Continuing to drive with a cylinder misfire can potentially lead to damage to the catalytic converter, so it's advisable to address the issue promptly.

6. What are some DIY repair tips for resolving a number 2 cylinder misfire in a 2010 Nissan Pathfinder?

- DIY repair tips may include replacing spark plugs and ignition coils, checking and cleaning fuel injectors, ensuring proper fuel and air flow, and addressing vacuum leaks.

7. Is it necessary to reset the OBDII code after repairing a number 2 cylinder misfire in a 2010 Nissan Pathfinder?

- It is recommended to clear the code after making repairs to see if the issue has been resolved. If the problem persists, further diagnosis may be needed.

8. How much does it typically cost to repair an OBDII code P0302 on a 2010 Nissan Pathfinder at a mechanic or dealership?

- Repair costs can vary depending on the specific cause of the misfire, but they may range from $100 to $500 or more, including parts and labor.

9. Can a number 2 cylinder misfire in a 2010 Nissan Pathfinder be prevented in the future?

- Regular maintenance, such as changing spark plugs and ignition components at recommended intervals, can help prevent cylinder misfires in the future.

10. Why is it important to address OBDII code P0302 promptly in a 2010 Nissan Pathfinder?

- Promptly addressing a cylinder misfire can prevent more serious engine problems, improve fuel efficiency, and ensure optimal performance of the vehicle.

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