FAULTBASE
NEWSASKCars
© 2025 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
Home/Cars/Honda/Accord/Eleventh Generation (2023-present)/what does a P0302 code mean for my Honda Accord 9th Generation (2013-2017)?

what does a P0302 code mean for my Honda Accord 9th Generation (2013-2017)?

Honda Accord Eleventh Generation (2023-present)

Severity: highDifficulty: mediumError Code: P03022-4 hours
3 min read
595 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix P0302 cylinder 2 misfire in Honda Accord 9th Generation. Step-by-step guide with diagnostic procedures and repair instructions.

Error Code
P0302
Component
Engine
Repair Time
2-4 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical systems.
  • ⚠Allow engine to cool before opening any components to avoid burns.

Symptoms

  • •Check engine light illuminated
  • •Rough idle or hesitation during acceleration
  • •Decreased fuel economy
  • •Engine stalling or misfiring sounds
  • •Increased emissions
  • •Vibration or shaking from the engine compartment

Diagnostic Steps

  1. 1Scan for error codes using an OBD-II scanner to verify P0302 and check for additional codes.
  2. 2Inspect the ignition system components, including spark plugs and ignition coils for cylinder 2.
  3. 3Check fuel injector operation for cylinder 2 using a noid light or multimeter.
  4. 4Conduct a visual inspection of vacuum hoses for leaks that might affect the air-fuel mixture.
  5. 5Perform a compression test on cylinder 2 to rule out mechanical issues.
  6. 6Examine the engine for any signs of oil or coolant leaks that could affect performance.

Solution

Solution

1. Preparation

  • Gather tools and workspace materials.
  • Disconnect the negative battery terminal to avoid electrical shorts.
  • Allow the engine to cool down before starting any repairs.

2. Inspect and Replace Ignition Components

  • Tools Required: Socket set, torque wrench, pliers, spark plug socket.
  • Sub-steps:
    1. Remove the engine cover if applicable to access the ignition coils.
    2. Disconnect the electrical connector from the ignition coil for cylinder 2.
    3. Remove the bolt securing the ignition coil and pull the coil out of the spark plug well.
    4. Inspect the spark plug for wear; replace if fouled or worn.
    5. If the ignition coil is faulty, replace it with a new one.

3. Check and Replace Fuel Injector

  • Tools Required: Fuel injector puller, screwdriver, O-ring lubricant.
  • Sub-steps:
    1. Disconnect the fuel injector connector for cylinder 2.
    2. Remove the fuel rail assembly if necessary to access the injector.
    3. Remove the old fuel injector and inspect the O-rings for damage.
    4. Install the new fuel injector, lubricate the O-rings, and ensure a secure fit.
    5. Reassemble the fuel rail and reconnect all electrical connectors.

4. Compression Test (if necessary)

  • Tools Required: Compression gauge.
  • Sub-steps:
    1. Remove the spark plug from cylinder 2.
    2. Insert the compression gauge into the spark plug hole.
    3. Crank the engine a few times to take a reading.
    4. Compare the reading to manufacturer specifications; if low, further investigation is needed.

Verification

After completing the repair, verify that the issue has been resolved:

  • Test the affected component to ensure it functions correctly
  • Check for any error codes or warning lights
  • Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • OBD-II scanner
  • Socket set
  • Torque wrench
  • Pliers
  • Fuel injector puller
  • Compression gauge
  • Spark plug socket

Parts Required

  • Spark plug (for cylinder 2)
  • Ignition coil (for cylinder 2)
  • Fuel injector (for cylinder 2)

Additional Information

Error CodeP0302
Component

Engine

Repair Time

2-4 hours

Difficulty

medium

Severity

high

Tools

7 items

Parts

3 items

Related Faults

Discover similar issues

  1. my Honda Accord's check engine light is on what should I do

    Learn how to diagnose and fix the check engine light issue in Honda Accord. Step-by-step guide with diagnostic procedures and repair instructions.

    Component:Engine
    Symptoms
    • •Check engine light illuminated
    • •Engine misfire or rough idle
    • +{count} more
  2. why does my Honda Accord's windshield wipers stop working suddenly

    Learn how to diagnose and fix windshield wipers that stop working on Honda Accord. Step-by-step guide with diagnostic procedures and repair instructio...

    Component:Electrical
    Symptoms
    • •Windshield wipers do not operate at all
    • •Wiper motor makes no noise when activated
    • +{count} more
  3. how to check the transmission fluid level on my Honda Accord 9th Generation (2013-2017)

    Learn how to check the transmission fluid level in your Honda Accord 9th Generation (2013-2017). Step-by-step guide with symptoms and diagnostic steps...

    Component:Transmission
    Symptoms
    • •Difficulty shifting gears
    • •Slipping transmission
    • +{count} more
  4. my Honda Accord 9th Generation (2013-2017) makes a grinding noise when braking what is it

    Learn how to diagnose and fix grinding noise when braking in Honda Accord 9th Generation (2013-2017). Step-by-step guide with diagnostic procedures an...

    Component:Brakes
    Symptoms
    • •Grinding noise when applying brakes
    • •Vibrations in the brake pedal
    • +{count} more
  5. my Honda Accord 9th Generation (2013-2017) makes a grinding sound when I turn

    Learn how to diagnose and fix grinding noise when turning in Honda Accord 2013-2017. Step-by-step guide with diagnostic procedures and repair instruct...

    Component:Steering
    Symptoms
    • •Grinding noise when making turns
    • •Difficulty steering, especially at low speeds
    • +{count} more
  6. what does the check engine light mean on my Honda Accord 9th Generation (2013-2017)

    Learn how to diagnose and fix the check engine light issue in Honda Accord 9th Generation (2013-2017). Step-by-step guide with diagnostic procedures a...

    Component:Engine
    Symptoms
    • •Check engine light illuminated on the dashboard
    • •Vehicle may exhibit rough idling
    • +{count} more

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation