Almost always a sign that the throttle body is dirty and requires cleaning.
When it gets gummed up the butterfly can stick open sometimes and send the EAC fail warning on.
2011 Focus 3-door Zetec 1.6 TDCi.
Previous <img src="/images/graemlins/stemo.gif" alt="" />s - 2006 Panther Black & 2007 Red. Gone and quite forgotten <img src="/images/graemlins/lol.gif" alt="" />