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Home >> Chevrolet >> 1999 >> Tracker 2WD L4-2.0L VIN C >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Description and Operation >> Powertrain Control Module (PCM) Description >> Common OBD II Systems >> General Information
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General Information

This engine conforms to all OBD II mandated emission regulations. The Powertrain Control Module (PCM) is responsible for monitoring and modifying engine controls in order to meet all OBD II requirements. Certain minimum criteria for how the PCM monitors and diagnoses the emission system is specified in the OBD II regulations. The following information describes the common operations and terms of the OBD II regulations that the PCM is designed to adhere to.
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