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Installed on the rear side of the exhaust manifold.
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A zirconia element has been adopted as the detecting element for detecting the oxygen concentration (theoretical air/fuel ratio).
Detects the oxygen concentration (theoretical air/fuel ratio) in the exhaust gas as basic information for mainly determining the fuel injection amount and as information for determining the deterioration of catalytic converter.
Detects the oxygen concentration (theoretical air/fuel ratio) in the exhaust gas and sends it to the PCM as an oxygen concentration (theoretical air/fuel ratio) signal.
Installed on the rear side of the exhaust manifold.
A zirconia element has been adopted as the detecting element for detecting the oxygen concentration (theoretical air/fuel ratio).
Sends the signal, which fluctuates according to the oxygen concentration (theoretical air/fuel ratio), to the PCM.
The PCM applies approx. 1.5 V to the HO2S input voltage to prevent incorrect diagnosis of the HO2S input voltage.
HO2S characteristic
| DTC No. | Fail-safe function |
| P0037:00 |
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| P0038:00 |
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