Where are knock sensor located
 

91 Diamante dies when hot, cools down and cranks right up, told it could be knock sensor, but can't locate. Any help would be appreciated, Thanks.

what codes are you getting ????

That's just it, not getting any codes.

when its hot what is the fuel pressure ???

the knock sensor is Under hood, center, upper engine area, under intake manifold, mounted in top of engine