Originally Posted by SYCKDC23

Ok, so I have a 2001 gsr, but a friend blew my motor and we swapped in an obd1 gsr. The car wont stay idle, it goes up and down and eventually stalls out. Ive had the car checked out and everything was fixed except I had to get a obd1 p72. I got that but yet it still idles to zero and cuts off. The motor I bought didnt come with a crank position sensor.... Would this be the reason why I'm still having this issue?