Quote Originally Posted by Willys43 View Post
Dave I have the same thoughts about the IAC receiving conflicting instructions from both ECMs, I just hadn't made any decisions. I thought possibly about having separate IAC pigtails coming out of the harness at the IAC. I think bench testing will be a good think to do.
Dave I will bench test a TPS and a MAP by putting a single reference voltage on it with a meter on the return "b" and see what the computer sees, then with two meters, then I'll do the same with 2 voltage reference voltage and see what the difference might be.
Craig