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2004
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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 P0404 To DTC P1174
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DTC P1171 or P1174
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DTC Descriptor
DTC Descriptor
This diagnostic procedure supports the following DTCs:
DTC P1171 HO2S Signal Biased Lean Bank 1
DTC P1174 HO2S Signal Biased Lean Bank 2