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Home >> Chevrolet >> 1999 >> C 1500 Suburban 2WD V8-5.7L VIN R >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Engine Control Module >> Description and Operation >> Vehicle Control Module >> System Diagnostics

System Diagnostics

The system diagnostics are tests that monitor and evaluate a particular emissions system and the effect that system has on vehicle emissions. The system diagnostics consist of the following:
^ The catalyst monitor diagnostic tests.
^ The misfire monitor diagnostic tests.
^ The fuel trim system diagnostic tests.
^ The evaporative emissions (EVAP) system diagnostic tests.
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