how to fix P0174 code in Renault Clio V (2019-Present)

Solution

1. Preparation

• Gather all necessary tools and parts.
• Disconnect the vehicle battery to prevent any electrical issues.
• Ensure the vehicle is on a level surface and has cooled down.

2. Inspect Air Intake System

• Remove the air intake duct.
• Check for any visible cracks or damage in the intake hoses.
• Replace any damaged hoses or connections.
• Reinstall the air intake duct securely.

3. Check Fuel Pressure

• Connect a fuel pressure gauge to the fuel rail.
• Start the engine and monitor the fuel pressure; it should match the specifications in the service manual (typically around 3-4 bar).
• If the pressure is low, inspect the fuel pump and fuel filter for issues. Replace if necessary.

4. Test MAF Sensor

• Disconnect the MAF sensor connector.
• Use a multimeter to check for proper voltage output while the engine is running.
• If the readings are out of range, replace the MAF sensor.

5. Inspect Fuel Injectors

• Remove the fuel rail to access the injectors.
• Visually inspect each injector for clogs or leaks.
• Clean or replace any faulty injectors.

6. Examine Exhaust System

• Inspect the exhaust manifold and pipes for any visible leaks or cracks.
• Repair or replace any damaged components to ensure proper exhaust flow.