how to fix P0174 code in Ford Explorer Sixth Generation (2020-present)

Solution

1. Preparation

• Gather tools and parts.
• Disconnect the negative battery terminal.
• Allow the engine to cool down.

2. Inspect and Repair Air Intake System

• Tools Required: Screwdrivers, pliers, flashlight
• Check all intake hoses and connections for cracks or leaks.
• Replace any damaged hoses or gaskets.
• Reinstall all components securely.

3. Clean MAF Sensor

• Tools Required: MAF sensor cleaner, soft cloth
• Remove the MAF sensor from the air intake duct.
• Spray MAF sensor cleaner on the sensor elements and allow it to dry completely.
• Reinstall the MAF sensor.

4. Check and Replace Fuel Filter (if necessary)

• Tools Required: Wrench set, fuel line disconnect tool
• Relieve fuel system pressure by removing the fuel pump relay and starting the engine until it stalls.
• Disconnect the fuel lines from the filter and remove it.
• Install the new fuel filter, ensuring correct flow direction.

5. Inspect and Clean Fuel Injectors

• Tools Required: Fuel injector cleaning kit or professional cleaning service
• Remove fuel injectors from the engine.
• Use a cleaning kit to flush and clean the injectors or replace them if they are damaged.

6. Reassemble and Test

• Reconnect all components and hoses.
• Reconnect the negative battery terminal.
• Start the engine and check for leaks or any abnormal sounds.