LEMON Manuals: Even more car manuals for everyone
Home >> Saturn >> 2007 >> Ion Red Line >> Repair and Diagnosis >> External Pages >> Different car >> Section 170 (Engine Controls And Fuel - 2.2L - DTC P0420 To DTC P2544) >> DTC P0496 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2007 Saturn Ion 3 and 2007 Saturn Ion 2. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start the engine.
  2. Seal the EVAP system using the Purge/Seal function with a scan tool.
  3. Observe the FTP sensor with a scan tool. The Fuel Tank Pressure Sensor parameter should be less than 1.7 volts after 90 seconds.
    • If the Fuel Tank Pressure Sensor parameter is greater than the specified range, replace the EVAP canister purge solenoid valve.