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P0301 2006 Infiniti G35 Code - Number 1 Cylinder Misfire Detected

Quick Answer

When a vehicle's onboard computer detects a misfire in the number 1 cylinder, as indicated by diagnostic trouble code P0301, it means that the engine is not running smoothly or efficiently. Common causes include Faulty spark plug in the number 1 cylinder, Failing ignition coil in the number 1 cylinder, Clogged fuel injector in the number 1 cylinder. 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
P0301 2006 Infiniti G35 indicates Number 1 Cylinder Misfire Detected.
Common causes
Common causes include Faulty spark plug in the number 1 cylinder, Failing ignition coil in the number 1 cylinder, Clogged fuel injector in the number 1 cylinder.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code P0301 2006 Infiniti G35 Description

When a vehicle's onboard computer detects a misfire in the number 1 cylinder, as indicated by diagnostic trouble code P0301, it means that the engine is not running smoothly or efficiently. The number 1 cylinder is typically the first cylinder in the firing order of the engine, and a misfire in this cylinder can lead to a range of performance issues. This misfire can be caused by a variety of factors, including problems with the ignition system, fuel system, or engine mechanical components.

OBDII Code P0301 2006 Infiniti G35 - Number 1 Cylinder Misfire Detected
P0301 2006 Infiniti G35 Code - Number 1 Cylinder Misfire Detected

Common Causes of P0301 2006 Infiniti G35

  1. Faulty spark plug in the number 1 cylinder
  2. Failing ignition coil in the number 1 cylinder
  3. Clogged fuel injector in the number 1 cylinder
  4. Vacuum leak affecting the number 1 cylinder
  5. Low compression in the number 1 cylinder

Symptoms of P0301 2006 Infiniti G35

  1. Rough idle
  2. Loss of power
  3. Engine vibration
  4. Decreased fuel efficiency
  5. Check engine light illuminated

How to Fix P0301 2006 Infiniti G35

  1. Begin by diagnosing the specific cause of the misfire in the number 1 cylinder using a scan tool to pinpoint the issue.
  2. Inspect and replace the spark plug in the number 1 cylinder if it is found to be faulty.
  3. Test and potentially replace the ignition coil in the number 1 cylinder if it is failing.
  4. Clean or replace the fuel injector in the number 1 cylinder if it is clogged.
  5. Check for vacuum leaks in the intake system that may be affecting the number 1 cylinder and repair as necessary.

Cost to Fix P0301 2006 Infiniti G35

The typical repair costs for addressing a misfire in the number 1 cylinder can vary depending on the specific cause of the issue. In general, replacing a spark plug or ignition coil can cost between $50 to $200 per part, while cleaning or replacing a fuel injector may range from $50 to $300. Labor costs can add an additional $100 to $300, depending on the shop's hourly rates and the complexity of the repair. It is advisable to consult with a trusted mechanic or auto repair shop to get a more accurate estimate based on your vehicle's make and model.

What does this mean?

Tech Notes for P0301 2006 Infiniti G35

The P0301 code means that the cylinder 1 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 1. If the problem persists more tests needs to be done to diagnose problem, see "Possible Causes"

When is the Code Detected?

Engine Cylinder 1 is misfiring.

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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 P0301 2006 Infiniti G35 Code

1. What are the common symptoms of OBDII code P0301 (Number 1 Cylinder Misfire Detected) on a 2006 Infiniti G35?

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

2. What are some possible causes of OBDII code P0301 on a 2006 Infiniti G35?

- The code P0301 can be triggered by issues such as a faulty ignition coil, spark plug, fuel injector, vacuum leak, or low compression in the number 1 cylinder.

3. How can I diagnose the cause of the number 1 cylinder misfire on my 2006 Infiniti G35?

- Diagnosis typically involves checking the spark plug, ignition coil, fuel injector, and compression in the number 1 cylinder. A scan tool can help pinpoint the exact cause.

4. Can driving with OBDII code P0301 on a 2006 Infiniti G35 cause further damage?

- Driving with a misfire can potentially damage the catalytic converter over time. It's recommended to address the issue promptly to prevent further problems.

5. How can I repair OBDII code P0301 on my 2006 Infiniti G35?

- Repair steps may involve replacing the spark plug, ignition coil, fuel injector, or addressing any vacuum leaks or compression issues in the number 1 cylinder.

6. Is it safe to continue driving my 2006 Infiniti G35 with the check engine light on due to code P0301?

- While it may be safe to drive short distances, it's best to address the underlying issue causing the misfire to prevent potential damage to the engine or emissions system.

7. Can a dirty fuel injector cause OBDII code P0301 on a 2006 Infiniti G35?

- Yes, a dirty or clogged fuel injector can disrupt the fuel mixture in the cylinder, leading to a misfire and triggering code P0301.

8. Will resetting the check engine light temporarily fix OBDII code P0301 on a 2006 Infiniti G35?

- Resetting the check engine light may temporarily turn it off, but if the underlying issue causing the misfire is not addressed, the code is likely to reappear.

9. How much does it typically cost to repair OBDII code P0301 on a 2006 Infiniti G35?

- The cost of repair can vary depending on the specific cause of the misfire, but it may involve parts and labor ranging from $100 to $500 or more.

10. Can extreme weather conditions affect the occurrence of OBDII code P0301 on a 2006 Infiniti G35?

- Extreme weather conditions, particularly cold temperatures, can exacerbate existing issues that may cause a misfire in the number 1 cylinder, leading to code P0301.

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