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Home >> Cadillac >> 2012 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1471 (Engine Controls And Fuel - 2.4L - Introduction) >> Description and Operation >> Engine Control Module Description >> Emissions Diagnosis For State I/M Programs
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Emissions Diagnosis For State I/M Programs

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.

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

Should this vehicles on-board diagnostic system (ECM) detect a condition that could result in excessive emissions, the ECM turns ON the malfunction indicator lamp (MIL) and stores a DTC that is associated with the condition.