what does P0301 code indicate for Renault Clio V (2019-Present)?

Learn how to diagnose and fix P0301 cylinder 1 misfire in Renault Clio V. Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure vehicle is on a level surface and securely supported.
• Disconnect the battery before working on electrical components.

2. Inspect and Replace Spark Plug

• Tools Required: Socket set, torque wrench
• Remove the engine cover if equipped.
• Disconnect the ignition coil connector from cylinder 1.
• Remove the ignition coil and spark plug using the socket set.
• Inspect the spark plug for wear, carbon buildup, or damage; replace if necessary.
• Install a new spark plug, ensuring it is gapped correctly (typically 0.8mm for Clio).
• Torque the spark plug to the manufacturer's specification (usually around 25 Nm).

3. Inspect and Replace Ignition Coil

• If the spark plug is in good condition, check the ignition coil for signs of damage or wear.
• Replace the ignition coil for cylinder 1 if it shows any issues.
• Reconnect the ignition coil connector and ensure it is seated properly.

4. Check and Clean Fuel Injector

• Disconnect the fuel injector connector for cylinder 1.
• Remove the fuel injector using the appropriate tool.
• Inspect the injector for clogs or damage; clean or replace if necessary.
• Reinstall the injector, ensuring it is seated correctly in the intake manifold.

5. Reassemble and Final Checks

• Reinstall the ignition coil and engine cover if removed.
• Reconnect the battery.
• Clear any stored codes with the OBD-II scanner.