Car turns over but trys to start but want had fire at pluge wires and fuel at fuel rack

Good afternoon, I have a Ford Contour 96 and its problem is that it warms up way too fast. The thermostat, hoses and pump have been checked but they are alright. But it happens that, only after drivin… 

Starts when push starts but wont start with key will click need diagram of eng think might be selonid but dont know were is

Speedometer starts at 100 Kim’s a hr

Sometimes speedometer works somtimesit does not

The Speedometer is not accurate