•  Detects the oxygen concentration (all-range air/fuel ratio) in the exhaust gas as basic information for mainly determining the fuel injection amount.

•  Detects the oxygen concentration (all-range air/fuel ratio) in the exhaust gas and inputs it to the PCM as an oxygen concentration (all-range air/fuel ratio) signal.

•  Installed to the exhaust manifold.

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•  A zirconia element has been adopted as the detecting element for detecting the oxygen concentration (all-range air/fuel ratio).

•  Inputs the signals, which fluctuate according to the oxygen concentration (all-range air/fuel ratio), to the PCM.