mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Purge Flow Sensor, Evaporative System|Description and Operation|Page 583 > < Pressure Feedback Exhaust Sensor, EGR|Description and Operation|Page 579
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Purge Flow Sensor: Description and Operation

PURGE FLOW SENSOR

Monitors vapor flow through EVAP solenoid and sends signal to PCM. PCM sends output signal to solenoid based on flow conditions.

NOTE:
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If the purge flow sensor circuit has an open or short, Diagnostic Trouble Code No. P1444 or P1445 is output.

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If the purge flow sensor circuit is open or shorted, no driveability symptom will be noticed.

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If purge flow is malfunctioning, DTC No. P1443 is output. 

Purge Flow Sensor, Evaporative System|Description and Operation|Page 583 > < Pressure Feedback Exhaust Sensor, EGR|Description and Operation|Page 579