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Home >> Cadillac >> 2007 >> CTS Base, 3.6 7, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 384 (Engine Controls And Fuel - 4.4L - DTC P0171 To DTC 00700) >> DTC P0496 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2007 Cadillac XLR. 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.
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