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The lambda sensor is an important sensor in the exhaust system of modern vehicles and measures the oxygen content in the exhaust gas. Based on these values, the engine control unit can optimally regulate the air-fuel mixture, thus ensuring efficient combustion in the engine.
The lambda sensor is located in the exhaust system, usually before and after the catalytic converter. The upstream sensor measures the oxygen content in the exhaust gas and helps the engine control unit to precisely adjust the air-fuel mixture. A second sensor downstream of the catalytic converter additionally monitors the efficiency of the exhaust gas purification system.
Lambda sensors use special ceramic sensor elements that deliver precise readings even at high temperatures. Modern sensors often have integrated heating systems so they reach their operating temperature shortly after the engine starts.
A faulty lambda sensor can lead to increased fuel consumption, poor engine performance, rough engine running, or an activated engine warning light. Furthermore, exhaust emissions can rise and the function of the catalytic converter can be impaired.
At Autoteile Gossau, you'll find lambda sensors in original equipment and high-quality aftermarket versions for numerous vehicle makes and models. Benefit from the lowest prices in Switzerland, fast delivery, or pick up your order directly from our store in Gossau and pay conveniently by cash or card.