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Measuring the oxygen content in the exhaust gas provides the ECU with relevant information for controlling the air-fuel ratio in the combustion chamber.
The switching-type lambda sensor generates a switched signal during the transition from lean to rich operation. That precisely identifies the stoichiometric point (lambda = 1), where the catalytic converter can operate most efficiently. The result is reliable adherence to even the strictest exhaust gas and diagnostic regulations.
The Bosch switching-type lambda sensor is designed for gasoline (lambda = 1) control. Rapid signal provisioning (< 7 ms) and high signal stability improve emissions values during cold and warm starts. An integrated heater quickly brings the flat sensor element up to operating temperature.