Recent content by Spinbox57

  1. S

    Evap purge valve cycling every 10 seconds

    Hi all. New to Forum. I have a 2003 Expedition 5.4l . After replacing the evap purge valve, vent valve and gas cap I finally eliminated all error codes related to small and large leaks. However, I'm noticing that the evap purge valve on the firewall activates every 10 seconds or so, then turns...
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