OBD Guide

P0465

EVAP Purge Flow Sensor Circuit

Severity: MEDIUM

Symptoms

  • Check Engine light comes on
  • Increased fuel consumption
  • Unstable engine idling
  • Smell of gasoline in or around the car

Causes

  • Open or short circuit in the EVAP purge flow sensor circuit
  • EVAP purge flow sensor malfunction
  • Damage to the wiring harness or sensor connector
  • Problems with the engine control unit (ECU)

How to Fix

  1. Check the integrity of the wiring harness and sensor connector
  2. Measure the resistance and voltage in the sensor circuit
  3. Replace EVAP purge flow sensor if necessary
  4. Check and clear error codes after repair

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