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Renault · Known Issues

2023 Renault Megane Problems: 1 Known Issue

2023 model year · 110+ owner reports · Updated September 2026

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Issue summary

According to Au7o's analysis of 110+ owner reports, the 2023 Renault Megane has 1 documented issue. None of the listed issues is rated critical; this is not a complete reliability assessment. The most commonly reported issue is Injection System Fault Warning with 110 owner reports. Across all issues with published estimates, repair costs range from $100 to $500. DIY maintenance guides at au7o.io.

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All 1 Known Issue

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ALL YEARS202320222021202020192018201720162015201420132012201120102009200820072006200520042003
Community reported
110 owners

On the 2003-2023 Renault Megane, the Megane displays an "Injection Fault" warning on the dashboard, which can be triggered by numerous sensors and components. Common causes include the crankshaft position sensor, throttle body, and fuel pressure regulator.

This issue also affects: Renault Clio

Common Symptoms

  • Injection fault warning
  • Engine stalling
  • Difficult starting
  • Loss of power

How to Fix

Diagnose with Renault CLIP or compatible diagnostic tool to identify the specific fault code. Common fixes include crankshaft sensor replacement, throttle body cleaning, and fuel pressure regulator replacement.

Typical repair cost:$100 - $500

Research This Issue

Based on 110 owner reports

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Community Reported
Medium Confidence110 owner reports
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Other Renault Models

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Frequently Asked Questions

What are the most common Renault Megane problems?

According to Au7o's analysis of 110+ owner reports, the 2023 Renault Megane has 1 documented issue. The documented issue is: Injection System Fault Warning. None are rated critical, but regular maintenance is recommended.

Is the Renault Megane reliable?

The 2023 Renault Megane has 1 known issue documented across 110+ owner reports. None of the matching records is rated critical; this is not a complete reliability assessment. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Renault Megane problems?

Repair costs for known Renault Megane issues range from $100 to $500, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2003-2023 Renault Megane Injection System Fault Warning?

The Megane displays an "Injection Fault" warning on the dashboard, which can be triggered by numerous sensors and components. Common causes include the crankshaft position sensor, throttle body, and fuel pressure regulator. Repairs typically run $100-$500. Severity: medium.

Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.

Data sourced from 110+ owner reports, NHTSA recalls, TSBs, and automotive forums.