P0304 2011 Nissan Pathfinder Code - Number 4 Cylinder Misfire Detected
Quick Answer
When a misfire occurs, engine speed will fluctuate. Common causes include Faulty Spark Plug #4, Clogged or faulty Fuel Injector #4, Faulty Ignition Coil #4. 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
- P0304 2011 Nissan Pathfinder indicates Number 4 Cylinder Misfire Detected.
- Common causes
- Common causes include Faulty Spark Plug #4, Clogged or faulty Fuel Injector #4, Faulty Ignition Coil #4.
- 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.
Code P0304 2011 Nissan Pathfinder Description
What are the Possible Causes of the DTC P0304 2011 Nissan Pathfinder?
- Faulty Spark Plug #4
- Clogged or faulty Fuel Injector #4
- Faulty Ignition Coil #4
- Fuel Injector #4 harness is open or shorted
- Fuel Injector #4 circuit poor electrical connection
- Ignition Coil #4 harness is open or shorted
- Ignition Coil #4 circuit poor electrical connection
- Insufficient cylinder 4 compression
- Incorrect fuel pressure
- Intake air leak
How to Fix the DTC P0304 2011 Nissan Pathfinder?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0304 2011 Nissan Pathfinder code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P0304 2011 Nissan Pathfinder code?
Need more information on how to fix the P0304 2011 Nissan Pathfinder code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0304 2011 Nissan Pathfinder code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0304 2011 Nissan Pathfinder Code
1. What are the common symptoms of OBDII code P0304 (Number 4 Cylinder Misfire Detected) in a 2011 Nissan Pathfinder?
- Common symptoms include rough idling, loss of power, decreased fuel efficiency, and engine vibration.
2. What are the possible causes of a P0304 code in a 2011 Nissan Pathfinder?
- The code may be triggered by issues such as a faulty spark plug, ignition coil, fuel injector, vacuum leak, or low compression in the number 4 cylinder.
3. How can I diagnose the cause of a P0304 code in my 2011 Nissan Pathfinder?
- You can diagnose the issue by performing a visual inspection of spark plugs and ignition components, conducting a compression test, checking for vacuum leaks, and using a scan tool to monitor live data.
4. Can driving with a P0304 code in a 2011 Nissan Pathfinder cause further damage?
- Continuing to drive with a misfire can potentially cause damage to the catalytic converter, so it is advisable to address the issue promptly.
5. How can I repair a P0304 code in my 2011 Nissan Pathfinder?
- Repair options may include replacing the spark plug, ignition coil, or fuel injector in the number 4 cylinder, addressing any vacuum leaks, and performing a compression test to diagnose internal engine issues.
6. Is it safe to continue driving my 2011 Nissan Pathfinder with a P0304 code?
- While you may be able to drive short distances with the code, it is best to address the misfire promptly to prevent further damage and ensure optimal engine performance.
7. Will resetting the OBDII code P0304 in my 2011 Nissan Pathfinder make the issue go away?
- Resetting the code without addressing the underlying cause will not fix the problem; the misfire issue needs to be diagnosed and repaired to prevent the code from reoccurring.
8. How much does it typically cost to repair a P0304 code in a 2011 Nissan Pathfinder?
- The cost of repair can vary depending on the specific cause of the misfire, but it may range from a few hundred to over a thousand dollars, including parts and labor.
9. Can a DIY enthusiast repair a P0304 code in a 2011 Nissan Pathfinder?
- Depending on your skill level and access to tools, you may be able to address simpler causes of the misfire, such as replacing spark plugs, but more complex issues may require professional diagnosis and repair.
10. How often does a P0304 code occur in a 2011 Nissan Pathfinder, and is it a common issue?
- Misfire codes like P0304 can occur occasionally in vehicles, and while it may not be extremely common, it is a known issue that can arise due to various factors affecting engine performance.
Discuss the causes and fixes for P0304 2011 Nissan Pathfinder OBDII Code
Code P0304 2011 Nissan Pathfinder comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
