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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 P0171 or P0174
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DTC Descriptor
DTC Descriptor
This diagnostic procedure supports the following DTCs:
DTC P0171 Fuel Trim System Lean Bank 1
DTC P0174 Fuel Trim System Lean Bank 2