the pump is located on the top of the engine under the cover, towards the back of the engine you can miss it there is a black breather and the pump, about the time unless you did something with the belt or the timing components you should be fine .. Be careful if you are taking the sensor off yourself try let car seat and cool off for a while otherwise fuel is going to be everywhere .. Please be careful !! Good Luck!!
we are not allow to send anything to personal emails but there no way you can miss it is the black valve attach to the valve cover it is conectec to a U like hose the hose you must remove to replaced that sensor you already replaced .. Let me Know!