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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 456 (ENGINE CONTROL SYSTEM - SELF-DIAGNOSTICS - 5.3L)DRIVE CYCLESINSPECTION/MAINTENANCE SYSTEM CHECKPROCEDURE
2004 Oldsmobile Bravada RWD

Inspection/Maintenance System Check: Procedure

2004 Oldsmobile Bravada RWDSECTION Procedure
WARNING: This page is about a different car, the 2003 GMC Envoy XL and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE: Many DTC related repairs will instruct the technician to clear the DTC information. This procedure will reset ALL of the I/M System Status indicators to NO, and require performing the I/M Complete System Set Procedure.
  1. Did you perform the Diagnostic System Check-Engine Controls? If yes, go to next step. If no, see DIAGNOSTIC SYSTEM CHECK - ENGINE CONTROLS  under SELF-DIAGNOSTIC SYSTEM. Repair any DTCs or driveability concerns that would prevent the I/M System Status tests from completing. Did you find and repair a DTC or driveability concern? If yes, go to step  3. If no, go to next step.
  2. Review any service bulletins for software updates that may prevent I/M readiness. Perform any reprogramming or repairs indicated by the service bulletins. Was a reprogramming or repair service required? If yes, see INSPECTION/MAINTENANCE COMPLETE SYSTEM SET PROCEDURE . If no, go to next step.
  3. With a scan tool, observe the I/M System Status display. Is more than one test indicating a NO status? If yes, see INSPECTION/MAINTENANCE COMPLETE SYSTEM SET PROCEDURE . If no, go to the I/M System Set Procedure for the indicated system.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.