Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
EVAP System Repair Verification Drive Mode
2004 Oldsmobile Bravada RWDSECTION EVAP System Repair Verification Drive Mode
WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- If "EVAP System Repair Verification Drive Mode" cannot be performed (it is impossible to drive the vehicle under this drive mode condition), perform evaporative system test procedure as an alternative. See ENGINE CONTROL SYSTEM OPERATION INSPECTION .
- Verify that all of the following PIDs are within the following specifications. All PIDs must be within specifications before engine is started to initiate the evaporative system test.
- BARO: 72.3 kPa {542 mmHg, 21.3 inHg} or higher
- IAT: 5-35 °C {41-95 °F}
- FTL: 15-85%
- B+: above 10.9 V
- Clear DTC from PCM memory using WDS or equivalent.
- Start the engine and idle it for more than 10 s, then turn the ignition switch off.
- Leave vehicle for 5 hours or more.
- Start the engine and idle for more than 15 min.
- Drive the vehicle at an engine speed of 65-80 km/h {40-50 mph} for more than 5 min.
- Stop the vehicle and turn the ignition switch off.
- Leave vehicle as it is for 10 min or more.
- Start the engine.
- Access the ON BOARD SYSTEM READINESS to verify the OBD monitoring status.
- If completed, the OBD monitoring status items change from non-completed to completed.
- If not completed, turn the ignition key off then go back to Steps 1 .
- Access the DIAGNOSTIC MONITORING TEST RESULTS to verify the monitor results.
- If detected values are not within specification, repair has not completed.
- Verify no DTCs are available.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.