P1446 – EVAP Vent Control Valve Stuck Closed (Nissan)

Description

The ECM detected an EVAP vent control valve stuck in the closed position.

Need More Than Just the Fault Code?

A diagnostic scanner with live data, freeze-frame information and the right system access can help you investigate the actual cause before replacing parts.

Compare Diagnostic Scanners

Symptoms

  • High pressure
  • Poor emissions

Causes

  • Valve sticking
  • Carbon buildup
  • Wiring issue

Diagnosis

  • Inspect valve
  • Check wiring
  • Scan EVAP data

Repair

  • Clean valve
  • Replace valve

Related Problems