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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 125 (Engine Controls And Fuel - 3.6L (LF4) - Diagnostic Information And Procedures (2 Of 3)) >> Diagnostic Information and Procedures >> DTC P0446 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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Fuel Tank Pressure Sensor = Greater than 4.65 mmHg (2.5 in. H2O) or less than -1.24 mmHg (-5.0 in. H2O) - For greater than 60 s

or

Fuel Tank Pressure Sensor = Less than -22.5 mmHg (-12.0 in. H2O) - For greater than 5 s - Before 6.0 L (1.6 gal) of vapor have been purged through the EVAP system.

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