how to diagnose P0301 code in my Skoda Octavia NFL (2020-Present)?

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the battery to avoid electrical shorts.
• Allow engine to cool before starting repairs.

2. Inspect and Replace Spark Plug

• Tools Required: Socket set, torque wrench, spark plug socket.
• Remove the ignition coil from cylinder 1.
• Unscrew and remove the spark plug.
• Inspect the spark plug for wear or damage; replace if necessary.
• Install the new spark plug, torque to manufacturer specifications (typically around 15-20 Nm).

3. Check and Replace Ignition Coil

• Tools Required: Socket set, torque wrench.
• Remove the ignition coil from cylinder 1.
• Inspect for signs of damage or wear; replace if necessary.
• Install the new ignition coil and torque to specifications.

4. Inspect and Clean Fuel Injector

• Tools Required: Fuel injector cleaning kit, basic hand tools.
• Remove the fuel injector from cylinder 1.
• Inspect for clogs or damage; clean with a fuel injector cleaning kit or replace if needed.
• Reinstall the injector ensuring proper sealing.

5. Perform Compression Test

• Tools Required: Compression tester, basic hand tools.
• Remove the spark plug and ignition coil from cylinder 1.
• Install the compression tester and crank the engine.
• Check the compression reading; replace or repair engine components if readings are low.