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Home › Chevrolet › 2006 › Impala LS, 3.5 K › Repair and Diagnosis › Engine Performance › System › Engine Control System - 3.5L - DTC P0442 To DTC P2A01 › DTC P0496 › Circuit/System Verification

Circuit/System Verification

  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 within -1 to +1 inch H2O.
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