P1415, pics of Check Valve...replace your valves :)
My valve was seriously nasty on the inside and actually had more crud inside but some fell out when I pulled the valve out. Below is what the inside of your check valve might look like

my code
the new one is on the right
new on right againI'm not sure if this has cured the check engine light because a full drive cycle hasn't been completed but I will update when it clears.


