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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Control System - 4.4L - DTC P0196 To P0496) >> DTC P0454 >> Circuit/System Verification

Circuit/System Verification

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Ignition ON, observe the scan tool fuel tank pressure (FTP) sensor parameter. The reading should be between 1.3-1.7 volts with the fuel cap removed, and change with fuel tank pressure.

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