FAULTBASE
Error CodesASKCars
© 2025 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
Home/Cars/Renault/Clio/V (2019-Present)/how to fix P0171 code in Renault Clio V (2019-Present)

how to fix P0171 code in Renault Clio V (2019-Present)

Renault Clio V (2019-Present)

Error Codes
Severity: highDifficulty: mediumError Code: P01712-4 hours
4 min read
604 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix P0171 engine lean condition in Renault Clio V. Step-by-step guide with diagnostic procedures and repair instructions.

Error Code
P0171
Component
Engine
Repair Time
2-4 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical components.
  • ⚠Allow the engine to cool before inspecting the fuel system to prevent burns.

Symptoms

  • •Check engine light illuminated
  • •Rough idle
  • •Loss of power during acceleration
  • •Poor fuel economy
  • •Increased engine temperature
  • •Engine stalling under load

Diagnostic Steps

  1. 1Scan the vehicle's OBD-II system for additional error codes to identify any related issues.
  2. 2Inspect the air intake system for any leaks or cracks in hoses and connections.
  3. 3Check the fuel pressure using a fuel pressure gauge to ensure it meets specifications.
  4. 4Inspect the MAF (Mass Air Flow) sensor for dirt or malfunction; clean or replace as necessary.
  5. 5Examine the fuel injectors for proper operation and signs of clogging or leaks.
  6. 6Verify the condition of the oxygen sensors by checking for proper voltage readings.

Solution

Solution

1. Preparation

  • Gather necessary tools and parts.
  • Disconnect the negative battery terminal to ensure safety during repairs.

2. Inspect and Repair Air Intake System

  • Tools Required: Socket set, clamps, flashlight
  • Steps:
    1. Visually inspect the air intake hoses for cracks, leaks, or loose connections.
    2. Tighten any loose clamps or connections.
    3. Replace any damaged hoses using new OEM parts if necessary.

3. Fuel Pressure Check

  • Tools Required: Fuel pressure gauge
  • Steps:
    1. Locate the fuel pressure test port on the fuel rail.
    2. Connect the fuel pressure gauge to the test port.
    3. Turn the ignition to the "ON" position without starting the engine and note the pressure reading.
    4. Compare the reading with the manufacturer's specifications (typically around 3-4 bar for the Clio).
    5. If pressure is low, inspect and replace the fuel pump or fuel filter as needed.

4. MAF Sensor Cleaning/Replacement

  • Tools Required: MAF sensor cleaner, screwdriver
  • Steps:
    1. Disconnect the MAF sensor connector.
    2. Remove the MAF sensor from the air intake duct.
    3. Clean the MAF sensor using a dedicated MAF cleaner. Do not touch the sensor element.
    4. Allow it to dry completely before reinstalling.
    5. If cleaning does not resolve the issue, replace the MAF sensor with an OEM part.

5. Inspect Fuel Injectors

  • Tools Required: Socket set, fuel injector cleaner
  • Steps:
    1. Remove the fuel injector connectors and fuel rail bolts.
    2. Carefully pull out the fuel injectors.
    3. Inspect the injectors for dirt and clogs; clean them using a fuel injector cleaner or replace them if necessary.

Verification

After completing the repair, verify that the issue has been resolved:

  • Test the affected component to ensure it functions correctly
  • Check for any error codes or warning lights
  • Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • OBD-II scanner
  • Fuel pressure gauge
  • Socket set
  • MAF sensor cleaner
  • Screwdriver
  • Flashlight
  • Clamps

Parts Required

  • Air intake hoses (if damaged)
  • Fuel pump (if pressure is low)
  • MAF sensor (if faulty)
  • Fuel injectors (if clogged)

Additional Information

Error CodeP0171
Component

Engine

Repair Time

2-4 hours

Difficulty

medium

Severity

high

Tools

7 items

Parts

4 items

Related Faults

  1. how to fix moisture issues in Renault Clio V (2019-Present) electrical system

    Learn how to diagnose and fix moisture issues in the electrical system of Renault Clio V (2019-Present). Step-by-step guide with tools and tips.

    Electrical5 symptoms
  2. why does my Renault Clio V engine rev but car won't move

    Learn how to diagnose and fix transmission issues in Renault Clio V. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

    Transmission5 symptoms
  3. why is my Renault Clio V (2019-Present) air conditioning not blowing cold?

    Learn how to diagnose and fix the AC not blowing cold in Renault Clio V. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

    HVAC5 symptoms
  4. how to fix P0420 code in Renault Clio V (2019-Present)

    Learn how to diagnose and fix P0420 catalytic converter issues in Renault Clio V. Step-by-step guide with diagnostic procedures and repair instructions.

    P0420Exhaust System5 symptoms
  5. how to fix the P0130 code on my Renault Clio V (2019-Present)?

    Learn how to diagnose and fix P0130 oxygen sensor circuit issues in Renault Clio V. Step-by-step guide with diagnostic procedures and repair instructions.

    P0130Exhaust System5 symptoms
  6. how to resolve P0300 random misfire code in Renault Clio V (2019-Present)?

    Learn how to diagnose and fix P0300 random misfire in Renault Clio V. Step-by-step guide with diagnostic procedures and repair instructions.

    P0300Engine5 symptoms

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation