had to buy stepson a car 3 days ago 2010 focus 150k $1600 they wanted $290 at 1st but she noticed motor shaking at idle nd when ac was on.. we looked at it and thought it was motor mount $25., he hook to his code reader it said #4 spark plug.. we bought car put 1 plug in it runs like new.. all power windows, lites, ac etc works, seen 2009 with more miles for $3900 so pretty good deal.. if no check engine lite come on in next month will replace all fluids, belt, filters plugs wiper etc next month.. hope he gets his $ soon they killing us this yr