P0452 DODGE EVAP Pressure Switch Stuck Closed
Possible causes – Faulty Evaporative Emission System (EVAP) Pressure sensor– EVAP purge hose/tube obstruction– Evaporative Emission System (EVAP) Pressure sensor harness is open or shorted– Evaporative Emission System (EVAP) Pressure sensor circuit poor electrical connection Tech notes There is a