my Skoda Octavia’s engine light keeps flashing what to do

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is cool.
• Disconnect the battery for safety.

2. Address Ignition System Issues

• Tools Required: Socket set, spark plug socket, multimeter
• Remove the ignition coil covers:
  1. Disconnect the wiring harness from each ignition coil.
  2. Unbolt and remove the ignition coils.
  3. Inspect the coils and replace any faulty units.
• Check spark plugs:
  1. Remove spark plugs using a spark plug socket.
  2. Inspect for wear or fouling; replace as necessary with OEM-spec plugs.
  3. Reinstall new plugs and torque to manufacturer specifications.

3. Inspect Fuel System

• Tools Required: Fuel pressure gauge
• Check fuel injectors:
  1. Remove the fuel rail and inspect injectors for clogs.
  2. Clean or replace any clogged injectors.
  3. Reinstall the fuel rail and ensure proper sealing.
• Verify fuel pressure with a gauge, ensuring it meets specifications.

4. Check for Vacuum Leaks

• Tools Required: Smoke machine (optional)
• Inspect vacuum hoses:
  1. Visually check all hoses for cracks or disconnections.
  2. Use a smoke machine to detect leaks if necessary.
  3. Replace any damaged hoses.

5. Reconnect Battery and Clear Codes

• Reconnect the battery terminals.
• Use the OBD-II scanner to clear any error codes and reset the check engine light.