my Genesis G70 has a persistent P0302 code, how do I fix it?

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the battery to prevent electrical shorts.

2. Inspect and Replace Spark Plugs

1. Remove the engine cover if necessary.
2. Use a socket wrench to remove the spark plug from cylinder 2.
3. Inspect the spark plug for signs of fouling, wear, or damage.
4. Install a new spark plug with the correct gap (typically 0.028-0.032 inches for G70).
5. Torque the spark plug to the manufacturer's specifications (usually around 13 lb-ft).
6. Reinstall the engine cover.

3. Inspect and Replace Ignition Coil

1. Remove the connector from the ignition coil on cylinder 2.
2. Unbolt the ignition coil using a socket wrench.
3. Remove the ignition coil and inspect for cracks or damage.
4. Install a new ignition coil, ensuring it is seated properly.
5. Reconnect the ignition coil connector.

4. Check and Clean Fuel Injector

1. Use a fuel injector cleaning kit to connect to the fuel rail.
2. Run the cleaning solution through the injector for cylinder 2 according to the kit instructions.
3. If cleaning does not resolve the issue, replace the fuel injector for cylinder 2.

5. Compression Test (if necessary)

1. Remove the spark plug from cylinder 2.
2. Insert the compression gauge into the spark plug hole.
3. Crank the engine and record the compression reading.
4. Compare the reading to the manufacturer's specifications. If low, investigate further for internal engine issues.