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Home >> Buick >> 2022 >> Encore GX Essence, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Engine Controls And Fuel - 1.2L (LIH) - Description And Operation) >> Description and Operation >> Engine Control Module Description >> Emissions Diagnosis For State I/M Programs

Emissions Diagnosis For State I/M Programs

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This OBD II equipped vehicle is designed to diagnose any conditions that could lead to excessive levels of the following emissions:

The ECM turns ON the MIL and stores a DTC when the on-board diagnostic system detects a condition that could result in excessive emissions.