A Lambda sensor (oxygen sensor) measures the oxygen concentration in exhaust gases to help the engine control unit optimize fuel injection and reduce emissions.

Why is the 400Hz frequency important?

The 400Hz operating frequency enables faster response times, allowing the ECU to detect combustion changes quickly and make real-time adjustments to fuel mixture.

What is the power requirement for the ES21514-12B1?

This sensor operates with 120W power capability, which includes heating element and signal conditioning circuitry.

Where is this sensor typically installed?

Lambda sensors are installed in the exhaust system, typically before and/or after the catalytic converter, to monitor oxygen levels.

Is this sensor compatible with modern vehicles?

Compatibility depends on the specific vehicle and engine control system. Verify compatibility with your vehicle's documentation or consult a mechanic.

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