AutoCodes – Nissan – P0304 2011 Nissan Rogue

P0304 2011 Nissan Rogue 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 Rogue 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.

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Code Popularity 5,992

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 09, 2022

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0304 2011 Nissan Rogue Description

When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position (CKP) sensor signal to vary, the Engine Control Module (ECM) can determine that a misfire is occurring. The Diagnostic Trouble Code (DTC) will be set when the Engine Control Module monitors the crankshaft speed and has detected that engine cylinder #4 is misfiring.

OBDII Code P0304 2011 Nissan Rogue - Number 4 Cylinder Misfire Detected - AutoCodes.com — P0304 2011 Nissan Rogue Code - Number 4 Cylinder Misfire Detected

What does this mean?

What are the Possible Causes of the DTC P0304 2011 Nissan Rogue?

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 Rogue?

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.

What does this mean?

Code Tech Notes

The P0304 code means that cylinder #4 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 #4. If the problem persists more tests need to be done to diagnose the problem. See "Possible Causes" for the most common problems.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0304 2011 Nissan Rogue 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 Rogue code?

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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 P0304 2011 Nissan Rogue Code

1. What are common symptoms of OBDII code P0304 in a 2011 Nissan Rogue?

- Common symptoms include engine misfires, rough idle, loss of power, and potentially increased fuel consumption.

2. What are the possible causes of a number 4 cylinder misfire in a 2011 Nissan Rogue?

- Possible causes may include faulty spark plugs, ignition coil issues, fuel injector problems, vacuum leaks, or even a damaged cylinder head.

3. How can I diagnose the cause of a number 4 cylinder misfire in my 2011 Nissan Rogue?

- Diagnose by checking spark plugs, ignition coils, fuel injectors, vacuum lines, and performing a compression test to pinpoint the issue.

4. Can driving with OBDII code P0304 in a 2011 Nissan Rogue cause further damage?

- Continuing to drive with a cylinder misfire can lead to damage to the catalytic converter, oxygen sensors, and other engine components over time.

5. How can I repair OBDII code P0304 in my 2011 Nissan Rogue?

- Repair may involve replacing faulty spark plugs, ignition coils, fuel injectors, addressing vacuum leaks, or seeking professional help for more complex issues.

6. Are there any maintenance tips to prevent OBDII code P0304 in a 2011 Nissan Rogue?

- Regular maintenance such as changing spark plugs, ignition coils, and fuel filters at recommended intervals can help prevent cylinder misfires.

7. Is it safe to continue driving my 2011 Nissan Rogue with a number 4 cylinder misfire?

- It is not recommended to drive with a cylinder misfire as it can lead to further damage and potentially unsafe driving conditions.

8. How much does it typically cost to repair OBDII code P0304 in a 2011 Nissan Rogue?

- The cost of repairs can vary depending on the specific issue, but it may range from a few hundred to a few thousand dollars, including parts and labor.

9. Can a DIY enthusiast fix OBDII code P0304 in a 2011 Nissan Rogue?

- Simple tasks like changing spark plugs can be done by DIY enthusiasts, but more complex issues may require professional diagnosis and repair.

10. Will resetting the OBDII code P0304 in a 2011 Nissan Rogue make the issue go away?

- Resetting the code will clear the error message, but it will not fix the underlying problem causing the cylinder misfire. It is essential to diagnose and address the root cause.