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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 121 (Engine Controls And Fuel - 2.0L (LSY) - Diagnostic Information And Procedures (3 Of 3)) >> Diagnostic Information and Procedures >> DTC P146D-P146F >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

P146D 

Evaporative Emission Canister Purge Pump Pressure Sensor = Less than 0.2 V - For greater than 1 s

P146E 

Evaporative Emission Canister Purge Pump Pressure Sensor = Greater than 4.8 V - For greater than 1 s

P146F 

Evaporative Emission Canister Purge Pump Pressure Sensor = Not within a calibrated range - Unable to re-zero the voltage

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