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Chevrolet
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2005
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Epica LS
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System - 2.5L (LBK) - DTC P0137 To DTC P0403
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DTC P0138 or P0158
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DTC Descriptor
DTC Descriptor
This diagnostic procedure supports the following DTCs:
DTC P0138 HO2S Circuit High Voltage Bank 1 Sensor 2
DTC P0158 HO2S Circuit High Voltage Bank 2 Sensor 2