My Cart
€0.00
- New
Pensez à sélectionner votre vehicule pour limiter les resultats de recherche
Genuine Renault Upstream Oxygen Sensor for Megane 4 RS
11417
En Stock
€349.88
Tax included
Do not let a faulty sensor throttle your Megane 4 RS performance. This genuine Renault proportional oxygen sensor, located at the catalytic converter inlet, is the vital component for optimal engine management. By choosing this original equipment manufacturer (OEM) part, you prevent idle instability, power loss, and fuel overconsumption often caused by low-quality generic sensors.
- Genuine Renault Product: Guaranteed perfect fit and long-term reliability.
- Upstream Sensor: Precise air-fuel ratio analysis before the catalytic converter.
- Performance Preservation: Maintains the torque and responsiveness of your 1.8 Turbo engine.
- Easy Installation: Identical connector to your factory equipment for a direct swap.
The risks of a tired oxygen sensor on your Megane 4 RS
The proportional lambda sensor (or upstream sensor) acts as the conductor for your engine's combustion. On a high-performance car like the Renault Megane 4 RS, a clogged or failing sensor does more than just trigger a check engine light. It leads to an immediate drop in driving pleasure: hesitation during acceleration, noticeable power loss, and increased emissions that could result in a failed MOT or technical inspection.
Even worse, driving with a malfunctioning oxygen sensor exposes your catalytic converter to incorrect exhaust gas temperatures, risking premature failure. The replacement cost of a genuine catalytic converter is significantly higher than simply replacing this genuine Renault upstream oxygen sensor.
Why choose Genuine Renault Sport parts?
The 1.8 turbo engine in the Megane 4 RS is a precision machine that demands exact data. Cheap aftermarket sensors often lack the necessary reaction speed, causing errors in the Engine Control Unit (ECU) readings. This OEM lambda sensor ensures ultra-precise proportional measurement of gases, allowing real-time air-fuel mixture adjustments for maximum fuel efficiency and peak power.
Symptoms and Diagnosis: When to replace your lambda sensor?
- Appearance of the "Check Injection" or anti-pollution warning light.
- Unjustified increase in fuel consumption.
- Unstable idle or engine hesitating when cold.
- Reduced turbo responsiveness during heavy acceleration.
Optimiz Access Expertise and Installation
Specializing in sports vehicle maintenance since 2010, Optimiz Access supports you in maintaining your Sport, Cup, or Trophy chassis. We offer professional installation in our workshops located in Northern France, near Lille, Arras, and Valenciennes.
Need a Renault Sport spare part quickly? We stock and ship our products worldwide to ensure your passion never stays stuck in the garage. Benefit from recognized expertise in customization and technical servicing for your premium vehicle.
Note: You can find complementary products, such as our exclusive emblems, at the bottom of this product page.
En Stock
Data sheet
- Marque du véhicule
- Renault
- Modèle du véhicule
- Renault Megane 4
- Motorisation
- RS 1.8 16V 280/300
Specific References
Do not let a faulty sensor throttle your Megane 4 RS performance. This genuine Renault proportional oxygen sensor, located at the catalytic converter inlet, is the vital component for optimal engine management. By choosing this original equipment manufacturer (OEM) part, you prevent idle instability, power loss, and fuel overconsumption often caused by low-quality generic sensors.
- Genuine Renault Product: Guaranteed perfect fit and long-term reliability.
- Upstream Sensor: Precise air-fuel ratio analysis before the catalytic converter.
- Performance Preservation: Maintains the torque and responsiveness of your 1.8 Turbo engine.
- Easy Installation: Identical connector to your factory equipment for a direct swap.