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Home >> Chevrolet >> 2011 >> Impala LT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.5L - DTC P0341 Through DTC P2544 >> DTC P0451-P0454 >> Circuit/System Verification

Circuit/System Verification

  1. Remove the fuel cap.
  2. Turn ON the ignition, with the engine OFF.
  3. Observe the Fuel Tank Pressure Sensor parameter with a scan tool.
  4. The FTP Sensor parameter should be 1.5 V.
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