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Home >> Pontiac >> 1999 >> Firebird V8-5.7L VIN G >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Description and Operation >> PCM Outputs Description >> Primary System Based Diagnostics

Primary System Based Diagnostics

Primary System Based Diagnostics


There are primary system based diagnostics which evaluate the system operation and their effect on vehicle emissions. The primary system based diagnostics are listed below with a brief description of the diagnostic functionality.
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