I think their fine. I don't have one. My aunt has an 02 w/ 29K. she loves it. A schoolmate has an 00 w/ 65K. He hasn't had any problems. And he drives kinda crazy, too I believe they have the 16v zetec just as a contour does.

96 Contour GL 2.0, ATX "Herman" 101K "A Clean zetec is happy zetec"