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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 123 (Engine Controls And Fuel - 2.0L (LTG) - DTC P0010-DTC P0336) >> Diagnostic Information and Procedures >> DTC P0171 or P0172 >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0171

Fuel Trim System Lean

DTC P0172

Fuel Trim System Rich

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