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Home >> Cadillac >> 2010 >> Escalade EXT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 5.3L, 6.0L, 6.2L - DTC P0300 To P1175 >> DTC P0451-P0454 >> Circuit/System Verification
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Circuit/System Verification

  1. Remove the fuel cap.
  2. Ignition ON, engine OFF.
  3. Observe the Fuel Tank Pressure Sensor parameter with a scan tool.
  4. The FTP Sensor parameter should be 1.3-1.7 V.
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