what does code P0302 mean for my Toyota RAV4 Fourth Generation (2013-2018)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the battery to ensure safety while working on electrical components.

2. Inspect and Replace Spark Plug

• Tools Required: Socket set, torque wrench, gap gauge.
• Remove the engine cover if applicable.
• Unplug the ignition coil from the spark plug.
• Use a socket to remove the spark plug from cylinder 2.
• Inspect the old spark plug for signs of wear or fouling.
• Install a new spark plug at the manufacturer's specified torque (typically around 13 lb-ft).
• Reconnect the ignition coil.

3. Check and Replace Ignition Coil

• Tools Required: Socket set, multimeter.
• Disconnect the ignition coil connector.
• Remove the ignition coil from cylinder 2.
• Test the coil with a multimeter for proper resistance (consult specifications for your vehicle).
• If faulty, replace the ignition coil with a new one.
• Reinstall the ignition coil securely and reconnect the connector.

4. Inspect and Clean Fuel Injector

• Tools Required: Fuel injector cleaner, basic hand tools.
• Remove the fuel injector from cylinder 2 after disconnecting fuel lines.
• Inspect the injector for clogs or damage.
• Clean the injector using a suitable fuel injector cleaner.
• Reinstall the injector, ensuring proper connections.

5. Compression Test

• Tools Required: Compression tester.
• Remove spark plugs from all cylinders.
• Insert the compression tester into cylinder 2.
• Crank the engine and record the compression reading.
• Compare with manufacturer's specifications; if low, further diagnosis may be needed.