its knocking now at an idle it sounds like detonation i think (sounds like someone is smacking the side of the block with a hammer) and what do you mean by the carb clean spray?!?!
EDIT: i forgot its only missing at an idle
i need someone that has a diagnostics computer, portable preferably its for an 01 cadilac sts i need it run i just have one of the crappy hand held ones, it just tells me random missfires i need to know why its saying that