how to fix the P0302 misfire code on Volkswagen Golf Seventh Generation (2013-2020)

Solution

1. Preparation

• Tools Required: OBD-II scanner, socket set, torque wrench, multimeter, compression tester.
• Ensure the vehicle is on a level surface and turn off the ignition. Disconnect the battery to prevent any electrical shorts.

2. Replace Spark Plug

• Remove the engine cover (if applicable) using a socket set.
• Use a spark plug socket to remove the spark plug from cylinder 2.
• Inspect the spark plug for wear; replace it if necessary.
• Install a new spark plug (use OEM specifications) and torque it to 22 Nm (16 lb-ft).

3. Inspect and Replace Ignition Coil

• Disconnect the electrical connector from the ignition coil in cylinder 2.
• Remove the ignition coil using a socket set and inspect for cracks or signs of wear.
• If defective, install a new ignition coil and reconnect the electrical connector.

4. Clean or Replace Fuel Injector

• If the injector is clogged, remove it from cylinder 2 using a socket set.
• Clean the injector using a fuel injector cleaner or replace it with a new one.
• Reinstall the injector and reconnect the fuel line and electrical connector.

5. Perform Compression Test

• Remove the spark plug from cylinder 2 and insert the compression tester.
• Crank the engine and record the compression reading. It should be within the manufacturer's specifications (typically around 180 psi).
• If readings are low, further investigation into valve or piston issues may be required.