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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 353 (Engine Controls And Fuel - 2.5L (LCV) - DTC P0010 To DTC P0366) >> Diagnostic Information and Procedures >> DTC P0171 or P0172: Fuel Trim System >> DTC Descriptors

DTC Descriptors

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DTC P0171

Fuel Trim System Lean

DTC P0172

Fuel Trim System Rich

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