how to fix P0174 code in my Honda Pilot YF4 (2023-Present)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative terminal of the battery to avoid electrical shorts.
• Ensure the vehicle is on a level surface and secured with jack stands if needed.

2. Inspect and Repair Air Intake System

• Tools Required: Screwdriver set, pliers
• Inspect the air intake hoses and clamps for any signs of wear or damage.
• Tighten any loose clamps or replace damaged hoses.
• If a leak is found, replace the affected hose or clamp.

3. Check and Clean the MAF Sensor

• Tools Required: MAF sensor cleaner
• Locate the MAF sensor in the air intake duct.
• Disconnect the electrical connector and remove the sensor.
• Spray the MAF sensor with MAF cleaner and allow it to air dry before reinstallation.

4. Test and Repair Fuel System

• Tools Required: Fuel pressure gauge
• Connect the fuel pressure gauge to the fuel rail.
• Turn the ignition to the "ON" position (do not start) to check the fuel pressure.
• If the pressure is below specifications, inspect the fuel pump and filter for issues.
• Replace the fuel filter or fuel pump if necessary.

5. Inspect and Clean Fuel Injectors

• Tools Required: Fuel injector cleaning kit
• Remove the fuel injectors from the fuel rail.
• Use a fuel injector cleaning kit to clean the injectors or replace them if they are defective.