okay. so i just did a intake manifold swap on my 1990 da. it is still obdo and is mostly stock other than intake and exhaust. the car would start fine befor i did the swap but for some reason when the car is cold if i try to start it the rps will shoot up to 1.5 rpm and then die in almost les then a second. so what i have to do is hold the key down and basicly run the car with the starter and rev the car. then it runs fine. but the car only idles at 1.5 rpm when this is done then warms up and is fine.

the intake is that of an itr desighn and goes to my car perfictly i had no problims and the car runs fine but the only diffrence is that there was this box under my TB on the stock intake that hooked up to colant lines but dosnt hook up to the new intake manny...any ideas?

sorry for spelling errors.

 

what i did was run the coolant lines to bypass the old box sensor whatever it is.

 

What intake manifold?