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OBD-II Code

P0449 — Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction

An electrical malfunction is detected in the EVAP vent valve or solenoid circuit.

System Engine
Severity Low
Safe to drive? Yes, with caution
Advanced scanner Not necessarily

What does code P0449 mean?

An electrical malfunction is detected in the EVAP vent valve or solenoid circuit.

Common symptoms

  • Check engine light
  • difficulty refueling
  • fuel vapor smell

Possible causes

  • Damaged vent solenoid
  • corroded wiring or connectors

Initial recommendation

Inspect vent solenoid operation and repair or replace affected wiring and connectors.

Safety notice

This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.

Analyze this code with MecaOBD

Use the app to combine code P0449 with your vehicle's actual symptoms for more complete diagnostic guidance.

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