how to fix P0301 code in Honda Accord 9th Generation (2013-2017)

Solution

1. Preparation

• Gather tools and parts.
• Ensure the engine is cool to avoid burns.
• Disconnect the negative battery terminal.

2. Replace Spark Plug

• Tools Required: Socket set, torque wrench, spark plug socket.
• Remove the ignition coil cover (if applicable).
• Unscrew and remove the spark plug from cylinder 1 using a spark plug socket.
• Inspect the spark plug for wear; replace if necessary.
• Install the new spark plug and torque it to the manufacturer’s specification (typically around 13-16 lb-ft).
• Reattach the ignition coil.

3. Test/Replace Ignition Coil

• Tools Required: Multimeter, socket set.
• Disconnect the ignition coil connector.
• Use a multimeter to check the resistance of the ignition coil (consult the service manual for specific values).
• If the coil is faulty, replace it with a new one and reconnect the wiring.

4. Inspect/Replace Fuel Injector

• Tools Required: Fuel injector puller or socket set, safety glasses.
• Disconnect the fuel injector connector and the fuel line (release fuel pressure first).
• Remove the fuel injector from cylinder 1.
• Check for clogs or damage; replace if necessary.
• Install the new injector and reconnect the fuel line and connector.

5. Reassemble and Check

• Reconnect any components that were removed during the repair.
• Reconnect the negative battery terminal.