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Home >> Pontiac >> 2005 >> Aztek Base, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - 3.4L - Introduction >> Description and Operation >> Powertrain Control Module (PCM) Description >> Emissions Diagnosis For State I/M Programs

Emissions Diagnosis For State I/M Programs

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.