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Chevrolet
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2004
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Optra LS, Standard
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Engine Controls - 1.8L (L79) - DTC P0106 To DTC P0300
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DTC P0140
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Conditions for Setting the DTC
Conditions for Setting the DTC
The ECM detects that the HO2S 2 voltage is between 422-478 mV for 3 minutes.