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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1988 (Engine Controls And Fuel - 2.4L - DTC P0010 To DTC P0315) >> DTC P0171 or P0172 >> DTC Descriptors

DTC Descriptors

WARNING: This page is about a different car, the 2009 Saturn Vue. 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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