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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 111 (ENGINE CONTROLS SELF-DIAGNOSTICS - 2.2L)INSPECTION/MAINTENANCE PROCEDURESINSPECTION/MAINTENANCE SYSTEM CHECKDIAGNOSTIC PROCEDURES
2004 Oldsmobile Bravada RWD

Diagnostic Procedures

2004 Oldsmobile Bravada RWDSECTION Diagnostic Procedures
WARNING: This page is about a different car, the 2002 Pontiac Sunfire, 2002 Pontiac Grand Am, 2002 Oldsmobile Alero, and 2002 Chevrolet Cavalier. 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. Perform powertrain diagnostic system check - engine controls. 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 repair service required? If yes, go to INSPECTION/MAINTENANCE COMPLETE SYSTEM SET PROCEDURE . If no, go next step.
  3. Using scan tool, observe the I/M system Status display. Is more than one test indicating a NO status? If yes, go to INSPECTION/MAINTENANCE COMPLETE SYSTEM SET PROCEDURE . If no, go to appropriate INSPECTION/MAINTENANCE 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.