Fix Fault Citroen

I have an engine misfire on my R reg Citroen Saxo when accelerating. when I pull away say from traffic lights the car will accelerate quite quickly with no sign of a misfire but when I cruise at betw ... more

When i press the button to move the window down,the window slopes to one side, how do i fix it. the make and model is, a citroen saxo sxi year of manifacturer, 1997