how to fix Honda CR-V Sixth Generation (2023-present) P0301 code

Solution

1. Preparation

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

2. Replace Spark Plug

• Remove the engine cover if applicable.
• Locate the spark plug for cylinder 1.
• Use a spark plug socket and ratchet to remove the old spark plug.
• Inspect the spark plug hole for debris and clean it if necessary.
• Install the new spark plug, ensuring it is torqued to the manufacturer’s specifications (typically around 13-16 lb-ft).
• Reinstall the engine cover.

3. Inspect and Replace Ignition Coil

• Disconnect the electrical connector from the ignition coil on cylinder 1.
• Remove the mounting bolts securing the ignition coil.
• Carefully pull the ignition coil out of the spark plug well.
• Install the new ignition coil and secure it with the mounting bolts.
• Reconnect the electrical connector.

4. Test and Replace Fuel Injector

• Disconnect the fuel injector connector for cylinder 1.
• Remove any retaining clips and the injector from the fuel rail.
• Test the fuel injector using a multimeter to ensure it opens and closes properly.
• Replace with a new fuel injector if necessary and install it back into the fuel rail, ensuring a secure fit.

5. Verify Compression

• Remove the spark plug from cylinder 1.
• Insert a compression tester into the spark plug hole.
• Crank the engine and record the compression reading.
• If the reading is below the manufacturer's specifications, further engine diagnostics may be necessary.