P0469

What it means

EVAP purge flow sensor signal jumps or drops out intermittently. The evaporative system captures fuel vapor from the tank and purges it into intake; leaks or stuck purge valves leak hydrocarbons and cause emissions failures.

Is it safe to drive?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.

Most likely causes

• Intermittent connector

  high

  One of the most commonly reported causes for this code — check this first.

• Connector with intermittent contact under vibration

  low

  Less common, but worth ruling out after the more likely causes.

• Harness routed against vibrating component

  low

  Less common, but worth ruling out after the more likely causes.

Related help

• Full P0469 diagnosis, causes & costs
• How to read check engine light codes
• Is it safe to drive with the light on?