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Home >> Chevrolet >> 2006 >> Optra5 LS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 1.8L (L79) - DTC P0016 To DTC P0420 >> DTC P0134 or P0140 >> DTC Descriptors

DTC Descriptors

DTC P0134: HO2S Circuit Insufficient Activity Sensor 1
DTC P0140: HO2S Circuit Insufficient Activity Sensor 2

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