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 tools and parts.
• Disconnect the negative battery terminal to ensure safety during repairs.

2. Replace Spark Plug

• Tools Required: Spark plug socket, ratchet, torque wrench
• Remove the ignition coil from cylinder 2 by unscrewing the bolts or unclipping it.
• Remove the old spark plug using the spark plug socket.
• Inspect the spark plug hole for debris and clean if necessary.
• Install a new spark plug, ensuring it is gapped correctly according to the manufacturer’s specifications (usually around 0.8 mm for Renault).
• Torque the spark plug to the manufacturer’s specified value (typically around 25 Nm).

3. Replace Ignition Coil

• Tools Required: Ratchet, socket set
• Remove the retaining screws or clips securing the ignition coil in place.
• Disconnect the electrical connector from the ignition coil.
• Install the new ignition coil in place, ensuring it is seated properly.
• Reconnect the electrical connector and secure the ignition coil with screws or clips.

4. Inspect Fuel Injector

• Tools Required: Noid light or multimeter, inspection tools
• Disconnect the fuel injector connector for cylinder 2.
• Test the injector with a noid light to ensure it is receiving a signal when the ignition is on.
• If the injector is not functioning, replace it with a new one.
• Reconnect the injector and ensure all connections are secure.

5. Reassemble and Test

• Reconnect the negative battery terminal.
• Start the engine and allow it to idle, monitoring for any check engine lights or misfires.
• Conduct a road test to ensure proper operation.