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: mediumDifficulty: mediumError Code: P01712-4 hours
3 min read
542 words

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 systems.
  • ⚠Allow engine components to cool before handling.

Symptoms

  • •Check engine light illuminated
  • •Rough idle during startup
  • •Decreased acceleration or power
  • •Poor fuel economy
  • •Engine stalling or hesitation during driving

Diagnostic Steps

  1. 1Scan the vehicle's OBD-II system with a scanner to confirm the P0171 code and check for any other related codes.
  2. 2Inspect the air intake system for leaks, including the intake manifold and hoses.
  3. 3Check the Mass Air Flow (MAF) sensor for proper operation and cleanliness.
  4. 4Examine the fuel delivery system, including fuel pressure and fuel injectors.
  5. 5Verify the operation of the engine coolant temperature (ECT) sensor.
  6. 6Inspect vacuum hoses for cracks or disconnections.

Solution

Solution

1. Preparation

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

2. Inspect and Repair Air Intake System

  • Tools Required: Socket set, flashlight
  • Inspect all air intake hoses and connections for cracks or leaks.
  • Replace any damaged hoses or connections to ensure a proper seal.

3. Clean or Replace MAF Sensor

  • Tools Required: MAF sensor cleaner, Torx screwdriver
  • Remove the MAF sensor from the air intake duct.
  • Spray the MAF sensor with MAF cleaner, avoiding contact with the sensor elements.
  • Allow it to dry and reinstall the sensor. If it appears damaged, replace it with a new one.

4. Check Fuel Delivery System

  • Tools Required: Fuel pressure gauge
  • Connect the fuel pressure gauge to the fuel rail.
  • Turn the ignition to the "ON" position without starting the engine to check the fuel pressure.
  • Compare the reading with the manufacturer's specifications. If the pressure is low, check the fuel pump and fuel filter and replace if necessary.

5. Verify Engine Coolant Temperature Sensor

  • Tools Required: Multimeter
  • Disconnect the ECT sensor connector and check its resistance with a multimeter.
  • Compare the readings to specifications in the service manual. Replace the sensor if readings are outside the normal range.

6. Reassemble and Test

  • Reconnect the battery.
  • Start the engine and monitor for any error codes.
  • Allow the engine to reach operating temperature and check for smooth idle and performance.

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
  • Socket set
  • Flashlight
  • MAF sensor cleaner
  • Torx screwdriver
  • Fuel pressure gauge
  • Multimeter

Parts Required

  • MAF sensor (if needed)
  • Fuel filter (if needed)
  • Engine coolant temperature sensor (if needed)

Additional Information

Error CodeP0171
Component

Engine

Repair Time

2-4 hours

Difficulty

medium

Severity

medium

Tools

7 items

Parts

3 items

Related Faults

  1. how to diagnose U0100 code on Renault Clio V (2019-Present)

    Learn how to diagnose and fix U0100 lost communication issue in Renault Clio V. Step-by-step guide with diagnostic procedures and repair instructions.

    U0100Electrical6 symptoms
  2. how to fix P0420 code on Renault Clio V (2019-Present)

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

    P0420Exhaust System6 symptoms
  3. why does my Renault Clio V (2019-Present) air conditioning blow hot air

    Learn how to diagnose and fix the air conditioning blowing hot air in Renault Clio V. Step-by-step guide with diagnostic procedures 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 efficiency issue in Renault Clio V. Step-by-step guide with diagnostic procedures and repair instructions.

    P0420Exhaust System5 symptoms
  5. how to fix the P0420 code on my Renault Clio V (2019-Present)

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

    P0420Exhaust System5 symptoms
  6. how to fix P0011 timing issue on Renault Clio V (2019-Present)

    Learn how to diagnose and fix P0011 timing issue in Renault Clio V. Step-by-step guide with diagnostic procedures and repair instructions.

    P0011Engine5 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