FAULTBASE
Error CodesASKCars
© 2025 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
Home/Cars/Renault/Clio/V (2019-Present)/how to fix P0301 misfire code on Renault Clio V (2019-Present)

how to fix P0301 misfire code on Renault Clio V (2019-Present)

Renault Clio V (2019-Present)

Error Codes
Severity: highDifficulty: mediumError Code: P03012-4 hours
3 min read
494 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 P0301 cylinder 1 misfire in Renault Clio V. Step-by-step guide with diagnostic procedures and repair instructions.

Error Code
P0301
Affected Component
Engine
Estimated Time
2-4 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical components.
  • ⚠Allow the engine to cool before starting any repairs.

Symptoms

  • •Engine misfire at idle or under load
  • •Rough engine idle
  • •Loss of power during acceleration
  • •Check engine light illuminated
  • •Poor fuel economy
  • •Increased exhaust emissions

Diagnostic Steps

  1. 1Scan the vehicle with an OBD-II scanner to confirm the P0301 code and check for any additional codes.
  2. 2Inspect the ignition coil and spark plug for cylinder 1 for visible signs of wear or damage.
  3. 3Perform a compression test on cylinder 1 to assess engine health.
  4. 4Check fuel injector operation for cylinder 1 using a noid light or multimeter.
  5. 5Inspect wiring and connectors related to the ignition system and fuel injector for damage or corrosion.

Solution

Solution

1. Preparation

  • Gather tools and parts required for the repair.
  • Disconnect the battery to ensure safety while working on electrical components.

2. Replace Spark Plug

  • Remove the ignition coil and spark plug for cylinder 1.
    • Tools: Socket set, ratchet, and extension.
    • Torque specification for spark plug: 20 Nm.
  • Inspect the spark plug for wear; replace if necessary with a new OEM spark plug.
  • Reinstall the ignition coil over the new spark plug.

3. Inspect and Replace Ignition Coil

  • If the ignition coil shows signs of failure, remove it from cylinder 1.
    • Tools: Socket set.
  • Install a new ignition coil, ensuring it clicks into place securely.
  • Reconnect the electrical connector to the ignition coil.

4. Check Fuel Injector

  • Remove the fuel injector for cylinder 1.
    • Tools: Fuel line disconnect tool, socket set.
  • Inspect the injector for clogs or damage; replace if necessary with an OEM fuel injector.
  • Reinstall the new fuel injector, ensuring proper seating and connection.

5. Clear Codes and Test

  • Reconnect the battery.
  • Use the OBD-II scanner to clear the P0301 code from the ECU.
  • Start the engine and allow it to reach operating temperature.

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
  • •Ratchet and extension
  • •Fuel line disconnect tool
  • •Torque wrench

Parts Required

  • •OEM spark plug for cylinder 1
  • •OEM ignition coil for cylinder 1
  • •OEM fuel injector for cylinder 1 (if applicable)

Additional Information

Error Code
P0301
Affected Component
Engine
Estimated Time
2-4 hours
Difficulty
medium
Severity
high
Tools Required
5 items
Parts Required
3 items

Related Faults

  1. how to fix P0021 code in Renault Clio V (2019-Present)

    Learn how to diagnose and fix P0021 code related to VVT system in Renault Clio V. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

    P0021Engine6 symptoms

  2. how to fix P0174 code in Renault Clio V (2019-Present)

    Learn how to diagnose and fix P0174 engine lean condition in Renault Clio V. Step-by-step guide with diagnostic procedures and repair instructions.

    P0174Engine5 symptoms

  3. how to fix U0100 code communication error in Renault Clio V (2019-Present)

    Learn how to diagnose and fix U0100 communication error in Renault Clio V. Step-by-step guide with diagnostic procedures and repair instructions.

    U0100Electrical5 symptoms

  4. how to fix P0700 transmission code in Renault Clio V (2019-Present)

    Learn how to diagnose and fix P0700 transmission code in Renault Clio V. Step-by-step guide with diagnostic procedures and repair instructions.

    P0700Transmission5 symptoms

  5. how to fix P0171 lean code in Renault Clio V (2019-Present)?

    Learn how to diagnose and fix P0171 fuel system issue in Renault Clio V. Step-by-step guide with diagnostic procedures and repair instructions.

    P0171Fuel System6 symptoms

  6. why is my Renault Clio V (2019-Present) making a clicking noise when turning?

    Learn how to diagnose and fix clicking noise when turning in Renault Clio V. Step-by-step guide with diagnostic procedures and repair instructions.

    Suspension5 symptoms

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