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Chevrolet
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2008
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Optra LS, Standard
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls And Fuel - 1.8L (LDA)
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Diagnostic Information and Procedures
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DTC P0134 or P0140
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DTC Descriptors
DTC Descriptors
DTC P0134
HO2S Circuit Insufficient Activity Sensor 1
DTC P0140
HO2S Circuit Insufficient Activity Sensor 2