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Home >> Chevrolet >> 2011 >> Camaro LS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.6L - DTC P0192 Through P0606/P062F >> DTC P0496 >> Circuit/System Testing
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Circuit/System Testing

  1. Disconnect the Q12 EVAP purge solenoid valve electrical harness connector.
  2. Start the engine.
  3. Command the Q13 EVAP vent solenoid valve Closed with a scan tool.
  4. Increase the engine speed to 1,200-1,500 RPM.
  5. Observe the scan tool fuel tank pressure (FTP) sensor parameter. Verify the scan tool FTP sensor parameter is -0.9 to +0.9 mm Hg (-0.5 to +0.5 in. H2O).
    • If not within the specified range, replace the Q12 EVAP purge solenoid valve.
  6. Ignition ON, engine OFF, disconnect the EVAP purge hose/pipe at the Q12 EVAP purge solenoid valve.
  7. Observe the scan tool FTP sensor parameter. Verify the FTP sensor parameter is -0.9 to +0.9 mm Hg (-0.5 to +0.5 in. H2O).
    • If not within the specified range, replace the B150 FTP sensor.
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