how to fix P0302 misfire code on Toyota Camry Seventh Generation (2012-2017)

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the engine is cool. Disconnect the negative battery terminal to prevent electrical shock.

2. Remove Components

• Tools: Socket set, ratchet, extension.
• Remove the engine cover (if applicable) by unscrewing the fasteners.
• Disconnect the ignition coil connector from the ignition coil in cylinder 2.
• Remove the ignition coil by unscrewing the bolts and lifting it out.
• Remove the spark plug from cylinder 2 using a spark plug socket.

3. Inspect and Replace

• Tools: Torque wrench, gap gauge (for spark plugs).
• Inspect the spark plug for wear, carbon buildup, or damage. Replace if necessary.
• Check the ignition coil for cracks or carbon tracking. Replace if necessary.
• If using new spark plugs, ensure they are gapped to the manufacturer’s specifications (typically around 0.043 inches for Toyota).
• Reinstall the spark plug and torque it to the manufacturer's specification (around 13 lb-ft).

4. Reassemble and Test

• Reinstall the ignition coil and reconnect the connector.
• Replace the engine cover and secure with fasteners.
• Reconnect the negative battery terminal.