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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Engine Control System & Fuel System - 3.8L - Introduction (2 Of 2)) >> Description and Operation >> Powertrain Control Module Description >> Emissions Diagnosis For State I/M Programs

Emissions Diagnosis For State I/M Programs

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. 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, powertrain control module (PCM), detect a condition that could result in excessive emissions, the PCM turns ON the malfunction indicator lamp (MIL) and stores a DTC that is associated with the condition.

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