Repair Verification
- Start the engine.
- Command the EVAP vent solenoid closed with a scan tool.
- Increase the engine idle to 1,200-1,500 RPM.
- Observe the scan tool FTP sensor in. H2O, or mm Hg Parameter.
- Verify the FTP sensor parameter is -0.9 to +0.9 mm Hg (-0.5 to +0.5 in. H2O).
- Clear the DTCs with a scan tool.