Originally Posted by yakdish
I jst replaced thew timinmg belt, tensioner and water pump and replaced the head gasketand valves withing the last 1000 miles. My mpg has dropped since all the work was done. I was getting as good as 37mpg highway and now I can barely break 30. in town is even worse as I am getting as low as 23mpg in town.
Just curious, did you use the zetec timing tools? As stated above sounds like timing might be off. All the spark plug boots down all the way?