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DTC P0152 Or DTC P1152: Condition

DTC P0152 is set when maximum HO2S Bank 1, Sensor 1 output voltage is less than 0.6 volt or higher than 1.2 volts. DTC P1152 is set when HO2S voltage is higher than 2.0 volts even after engine running for specified time from engine start. MIL is illuminated when ECM (PCM) detects malfunction during 2 consecutive drive cycles. Possible causes are:

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