hi peeps im havein problems with my fiesta at the min just came back from a 100 mile journey anthen got stuck in traffic in brum an the car over hearted the gage was on normal didnt read it was hot the fan doesnt seem to be kicking in iv jus changed the sensor on the side of the block under the coil pack the fan will work if you switch the engine off an put egnition on but not when its running if i take the switch of the sensor whilst running then replace the switch the fan will work when running but if you swithch it of an re start her the fan doesnt come on any help would be greatful thanks