how to fix P0302 misfire code in 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 necessary tools and parts.
• Disconnect the battery to ensure safety while working on electrical components.

2. Replace Spark Plug and Ignition Coil

1. Remove Engine Cover (if applicable)
   • Unscrew any fasteners and lift the cover off carefully.
2. Access Spark Plug and Ignition Coil
   • Locate the ignition coil on cylinder 2.
3. Remove Ignition Coil
   • Disconnect the electrical connector from the ignition coil.
   • Unscrew the ignition coil using a socket wrench and remove it from the cylinder head.
4. Replace Spark Plug
   • Use a spark plug socket to remove the old spark plug.
   • Inspect the old spark plug for wear or carbon buildup.
   • Install a new spark plug, ensuring it is gapped to manufacturer specifications (typically 0.8-1.0 mm for most models).
   • Torque the spark plug to the manufacturer's specifications (usually around 25 Nm).
5. Reinstall Ignition Coil
   • Insert the new ignition coil over the spark plug and secure it with the screws.
   • Reconnect the electrical connector to the ignition coil.

3. Check and Replace Fuel Injector (if necessary)

1. Remove Fuel Injector Connector
   • Disconnect the electrical connector from the injector on cylinder 2.
2. Remove Fuel Injector
   • Unscrew or unclip the fuel rail as needed.
   • Carefully pull the fuel injector out of the rail and cylinder head.
3. Install New Fuel Injector
   • Lubricate the O-ring of the new injector with clean engine oil.
   • Insert the new fuel injector into the rail and cylinder head.
   • Reattach the fuel rail and secure it.
4. Reconnect Electrical Connector
   • Reconnect the electrical connector to the new injector.