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Home >> Buick >> 2004 >> Century Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls 3.1L (Troubleshooting & Diagnosis) >> Engine Controls >> Service Bay Test >> Test Procedure
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Test Procedure

  1. Install a scan tool.
  2. With a scan tool, select the service bay test in the special functions menu.
  3. Follow the instructions on the scan tool.
  4. Check DTCs with a scan tool.
  5. Continue with the published service manual diagnostic DTC procedure.
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