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Cadillac
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2006
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STS Base, 3.6 7, AWD
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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 - 3.6L - DTC P2178 To U0423
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DTC P2195 or P2197
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DTC Descriptors
DTC Descriptors
This diagnostic procedure supports the following DTCs:
DTC P2195 HO2S Signal Biased Lean Bank 1 Sensor 1
DTC P2197 HO2S Signal Biased Lean Bank 2 Sensor 1