Engine-CodesHonda – P0302 2019 Honda CR-V

P0302 2019 Honda CR-V Code - No. 2 Cylinder Misfire Detected

Quick Answer

The diagnostic trouble code P0302 for a 2019 Honda CR-V indicates that a misfire has been detected in the No. Common causes include Faulty ignition coil or spark plug in the No, 2 cylinder, Clogged fuel injector affecting fuel delivery to the 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
P0302 2019 Honda CR-V indicates No. 2 Cylinder Misfire Detected.
Common causes
Common causes include Faulty ignition coil or spark plug in the No, 2 cylinder, Clogged fuel injector affecting fuel delivery to the 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.
Table of contents Created and updated by William Orellana on Sep 14, 2024
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Code P0302 2019 Honda CR-V Description

The diagnostic trouble code P0302 for a 2019 Honda CR-V indicates that a misfire has been detected in the No. 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, reduced power, decreased fuel efficiency, and potentially even engine damage if left unresolved.

OBDII Code P0302 2019 Honda CR-V - No. 2 Cylinder Misfire Detected
P0302 2019 Honda CR-V Code - No. 2 Cylinder Misfire Detected

Common Causes of P0302 2019 Honda CR-V

  1. Faulty ignition coil or spark plug in the No. 2 cylinder.
  2. Clogged fuel injector affecting fuel delivery to the cylinder.
  3. Vacuum leak in the intake system causing a lean air-fuel mixture.
  4. Low compression in the No. 2 cylinder due to worn piston rings or valves.
  5. Faulty engine control module (ECM) not properly managing the ignition timing.

Symptoms of P0302 2019 Honda CR-V

  1. Rough idling or vibrations while the engine is running.
  2. Loss of power or acceleration.
  3. Increased fuel consumption.
  4. Engine hesitation or stumbling during acceleration.
  5. Illumination of the check engine light.

How to Fix P0302 2019 Honda CR-V

  1. Diagnose the specific cause of the misfire by performing a compression test, checking ignition components, and inspecting fuel delivery systems.
  2. Replace the faulty ignition coil or spark plug in the No. 2 cylinder.
  3. Clean or replace the clogged fuel injector to ensure proper fuel delivery.
  4. Repair any vacuum leaks in the intake system to prevent lean air-fuel mixtures.
  5. Address any issues with low compression by repairing or replacing worn engine components.

Cost to Fix P0302 2019 Honda CR-V

The typical repair costs for addressing a misfire in the No. 2 cylinder of a 2019 Honda CR-V can vary depending on the specific cause of the issue. Replacement ignition coils or spark plugs may cost between $50 to $200 per part, while cleaning or replacing fuel injectors can range from $50 to $300. Labor costs at auto repair shops can vary between $80 and $150 per hour, with the total repair bill potentially ranging from $150 to $800 or more. It is advisable to consult with a qualified mechanic to obtain an accurate estimate based on the specific diagnosis and repair needed for the vehicle.

Tech Notes for P0302 2019 Honda CR-V

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".

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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 2019 Honda CR-V Code

1. What does OBDII code P0302 mean on a 2019 Honda CR-V?

Code P0302 indicates a misfire has been detected in cylinder No. 2 of the engine.

2. What are the symptoms of a P0302 code on a 2019 Honda CR-V?

Common symptoms include rough idling, reduced engine performance, hesitation during acceleration, poor fuel efficiency, and the check engine light turning on.

3. What causes cylinder No. 2 to misfire and trigger a P0302 code?

Common causes include a faulty spark plug, bad ignition coil, clogged fuel injector, vacuum leaks, low cylinder compression, or issues with the fuel system.

4. Can I drive my 2019 Honda CR-V with a P0302 code?

Driving with a P0302 code is not recommended as it can lead to further engine damage, reduced performance, and potential catalytic converter issues.

5. How do I fix a P0302 code on a 2019 Honda CR-V?

Fixing this code typically involves replacing the spark plug or ignition coil for cylinder No. 2, cleaning or replacing the fuel injector, or addressing any vacuum leaks or compression issues.

6. How can I diagnose a P0302 code on my 2019 Honda CR-V?

Start by inspecting the spark plug, ignition coil, and fuel injector for cylinder No. 2. You may also perform a compression test and use a scan tool to check for related codes.

7. How much does it cost to repair a P0302 code?

Repair costs vary but typically range from $100 to $300 for spark plug or ignition coil replacement. More extensive repairs, like addressing compression issues, can cost significantly more.

8. Can a dirty air filter cause a P0302 code on a 2019 Honda CR-V?

While unlikely, a clogged air filter can contribute to engine performance issues, which might exacerbate a misfire. Replacing it may help as part of routine maintenance.

9. What happens if I ignore a P0302 code?

Ignoring this code can lead to engine damage, reduced fuel efficiency, and potential damage to the catalytic converter, resulting in costly repairs.

10. Will replacing all spark plugs fix a P0302 code?

Replacing all spark plugs can help if the issue is due to worn-out plugs, but you should specifically inspect and address the condition of the spark plug in cylinder No. 2.

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