how to fix P0171 code on Honda CR-V Sixth Generation (2023-present)?

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the battery to prevent any electrical shorts.
• Allow the engine to cool before starting work.

2. Inspect and Repair Air Intake System

• Tools Required: Socket set, screwdrivers, vacuum gauge
• Remove the air intake duct and inspect for cracks or loose connections.
• Replace any damaged hoses or ducts.
• Reconnect the air intake duct securely.

3. Test and Clean MAF Sensor

• Tools Required: MAF sensor cleaner
• Carefully remove the MAF sensor from the intake manifold.
• Spray MAF sensor cleaner on the sensor elements and allow it to dry completely.
• Reinstall the MAF sensor and ensure connections are secure.

4. Check and Replace Fuel Filter (if necessary)

• Tools Required: Fuel line disconnect tool, wrench set
• Locate the fuel filter and relieve fuel pressure by removing the fuel pump fuse and running the engine until it stalls.
• Disconnect the fuel lines using a fuel line disconnect tool.
• Replace the fuel filter with a new one and reconnect the fuel lines securely.

5. Inspect and Replace Vacuum Lines

• Tools Required: Pliers, replacement vacuum hoses
• Visually inspect all vacuum hoses for cracks or disconnections.
• Replace any damaged hoses with new hoses of the same diameter.
• Ensure all connections are tight and secure.