how to fix P0302 misfire code on Renault Clio V (2019-Present)

Learn how to diagnose and fix P0302 cylinder 2 misfire in Renault Clio V. Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather tools and parts. Ensure the engine is cool before beginning work.
• Tools Required: Socket set, torque wrench, OBD-II scanner, compression tester, multimeter, fuel injector cleaning kit.
• Safety Warnings: Disconnect the battery before working on electrical components. Allow the engine to cool before opening any components.

2. Replace Spark Plug

• Remove the ignition coil from cylinder 2.
• Remove the spark plug using the appropriate socket.
• Inspect for wear; if damaged or fouled, replace with a new spark plug, ensuring the gap is set to manufacturer specifications.
• Reinstall the ignition coil securely.

3. Test and Replace Ignition Coil (if necessary)

• If the ignition coil was swapped during diagnostics, reinstall the original coil in cylinder 2.
• If the swapped coil resolved the misfire, replace the faulty ignition coil with a new one, ensuring proper connection.
• Torque the ignition coil to manufacturer specifications.

4. Inspect and Clean Fuel Injector

• Disconnect the fuel injector connector for cylinder 2.
• Remove the fuel injector using the appropriate tools.
• Inspect for clogs or damage; clean or replace the fuel injector as necessary.
• Reinstall the injector and ensure it is properly seated.

5. Perform Compression Test

• If misfire persists, conduct a compression test on cylinder 2.
• If compression is below specifications, further investigation into valve timing or internal engine issues may be necessary. Repair as needed.