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Home >> Pontiac >> 2003 >> Vibe GT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Self-Diagnostics >> Drive Cycles >> Inspection/Maintenance Complete System Set Procedure >> Test Description
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Test Description

The numbers below refer to the step numbers in the diagnostic procedures.

  1. 1  - Ensure you perform the I/M System Check before performing this test. Failure to do so may result in difficulty updating status to YES. See INSPECTION/MAINTENANCE SYSTEM CHECK .
  2. 2  - This step runs HO2S Heater Tests and initiate the EVAP System Test.
  3. 3  - This step is to run the catalyst test. The catalyst test runs during the specified cruise period.
  4. 4  - This step is to set up the Oxygen Sensor (O2S) tests. These tests run during the idle period immediately following a cruise period that meets a minimum calibrated RPM and time period.
  5. 5  - This step is to run the oxygen sensor tests and EVAP Tests. These tests run during the idle period immediately following a cruise period that meets a minimum calibrated RPM and time period.
  6. 6  - Perform individual system test for any systems that do not update to YES.
  7. 7  - I/M SYSTEM STATUS only reports on whether or not a diagnostic has run, not the outcome of the test. If any emission related DTC sets after the tests are complete, the DTC will require diagnosis.

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