I have an cylinder 2 misfire and i am working with a low budget so need help with this please the car is shaking of course and the engine light is blinking also the engine coolant is going pretty fast i have to put more in like every month if that helps any also the plugs in the front of the car the little box that has 6 plug wires coming off of it i touched all the plugs on the top of them and 1 and 4 shocked the crap out of me but the others did not also autozone told me to turn the engine on and unplug wire 2 and see what happens i did and nothing happened it ran exactly the same no different hope that helps thanks