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Home >> GMC >> 2020 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Controls And Fuel - 1.5L (LYX) - Diagnostic Information And Procedures (1 Of 2)) >> Diagnostic Information and Procedures >> DTC P0191 or P0192 >> Repair Instructions

Repair Instructions

WARNING: This page is about a different variant/trim than selected.

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

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