Mike's Workshop Manuals
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Cadillac
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2010
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Escalade EXT
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System & Fuel System - 5.3L, 6.0L, 6.2L - DTC P0300 To P1175
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DTC P0451-P0454
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Circuit/System Verification
Circuit/System Verification
Remove the fuel cap.
Ignition ON, engine OFF.
Observe the Fuel Tank Pressure Sensor parameter with a scan tool.
The FTP Sensor parameter should be 1.3-1.7 V.