Purge Flow Sensor: Testing and Inspection

EVAP Purge Vacuum Switch Diagnosis
The Evaporative Emissions (EVAP) Purge Vacuum Switch diagnosis is covered in the following Diagnostic Trouble Codes (DTCs):

^ P0441 EVAP System No Flow (During Purge)

^ P0443 EVAP Purge Solenoid Control Circuit

^ P1441 EVAP System Flow During Non-Purge