how to fix P0303 misfire code in Renault Clio V (2019-Present)

• •Check engine light illuminated
• •Rough idle at low RPMs
• •Loss of power during acceleration
• •Increased fuel consumption
• •Engine stalling intermittently

1. 1Scan for error codes using an OBD-II scanner to confirm P0303 and check for any additional codes.
2. 2Inspect spark plugs for wear, damage, or improper gap; replace if necessary.
3. 3Test the ignition coil for cylinder 3 with a multimeter to verify its functionality.
4. 4Check fuel injector operation in cylinder 3; perform a resistance test and listen for clicking sounds during operation.
5. 5Inspect wiring and connectors related to the ignition system and fuel injector for damage or corrosion.
6. 6Conduct a compression test on cylinder 3 to assess engine health.

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

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

• •OBD-II scanner
• •Socket set
• •Torque wrench
• •Multimeter
• •Spark plug socket
• •Injector puller tool

• •Spark plugs
• •Ignition coil (if faulty)
• •Fuel injector (if faulty)