New Lambda Sensor Valeo Vag 1.4 TGI Gas

The lambda sensor with original code 04E906262EC is a sensor used in vehicles of the Volkswagen-Audi-Seat-Škoda (VAG) group. It is a post-catalyst (downstream) sensor installed in the exhaust system, designed to measure the residual oxygen concentration in the exhaust gases after passing through the catalytic converter, in order to optimize combustion management and emissions control. Technical characteristics The OE lambda sensor 04E906262EC is a narrowband sensor with an internal 4-wire heating system. The construction includes: - Standard thread M18×1.5 - Shielded cable of approximately 70–80 cm - Sealed 4-pin connector - Zirconium dioxide (ZrO2) ceramic sensing element with platinum electrodes - Operating voltage: 0–1 V (variable voltage type) The internal heater allows the sensor to reach operating temperature quickly, ensuring a stable signal even in the first seconds after startup. DIPA offers a range of original and aftermarket spare parts of equivalent quality. Functionality The function of the downstream lambda sensor is to: - Monitor catalyst efficiency by comparing the residual oxygen value with that of the upstream sensor - Report any problems in combustion or the catalytic system - Provide data to the engine control unit for possible corrections to the injection strategy - Allow compliance with Euro 6 emissions regulations The correct functioning of the post-catalyst lambda sensor is essential to prevent the activation of the MIL (engine warning light) and to keep the OBD system operating efficiently. Makes and models on which the part is mounted Audi - A3 Sportback Seat - Leon - Leon ST Škoda - Octavia - Octavia Combi Volkswagen - Caddy Alltrack Pickup / Saloon - Caddy Alltrack MPV / Space Wagon - Golf - Golf Variant DIPA recommends always checking part compatibility before purchase. Defects and causes The most common defects of the OE lambda sensor 04E906262EC include: - Oxidation or corrosion of the connector, causing signal interruptions - Carbon deposits on the sensing element, resulting in incorrect oxygen readings - Mechanical damage to the sensor body, often due to impacts or incorrect installation - Slow or out-of-range signal variations, leading to the illumination of the engine warning light Final conclusions The OE lambda sensor 04E906262EC is an essential component for monitoring post-catalyst emissions in methane-powered VAG vehicles. Installed on 1.4 TGI / G-TEC engines, it helps ensure compliance with environmental regulations and the correct operation of the engine control system. A worn or faulty sensor can generate ECU errors, trigger the MIL, and compromise the efficiency of the catalytic converter. DIPA supplies components in new, original and equivalent-quality aftermarket versions, ready for installation, with warranty and compatibility across all affected models. Ask about parts availability in stock for quick replacements and reduced vehicle downtime.