P1446 – Mazda DTC

Mazda DTC P1446 – EVAP Purge Flow Sensor Circuit High Voltage

DTC P1446 meaning on Mazda

DTC P1446 on a Mazda indicates a fault with the EVAP Purge Flow Sensor Circuit, specifically detecting high voltage.

Mazda DTC P1446 symptoms

  • Check Engine Light illuminated
  • Decreased fuel efficiency
  • Strong fuel odor

Mazda DTC P1446 causes

  • Faulty EVAP Purge Flow Sensor
  • Wiring issues in the EVAP system
  • ECU (Engine Control Unit) malfunction

Mazda DTC P1446 seriousness

The seriousness of DTC P1446 lies in its impact on emissions control and fuel efficiency. While the vehicle may still operate, it is important to address this issue promptly to prevent further damage and maintain environmental compliance.

How to diagnose DTC P1446 on Mazda

  1. Use an OBD-II scanner to retrieve the specific trouble code
  2. Inspect the EVAP Purge Flow Sensor and related wiring for any visible damage
  3. Check the ECU for any stored codes related to the EVAP system

How to fix DTC P1446 on Mazda

  1. Replace the faulty EVAP Purge Flow Sensor
  2. Repair any damaged wiring in the EVAP system
  3. If necessary, reprogram or replace the ECU

How to erase DTC P1446 on Mazda

  1. After fixing the underlying issue, use an OBD-II scanner to clear the trouble code
  2. Ensure the repair was successful by monitoring the system for any reoccurrence of the DTC

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