I had to help make some modifications towards the engine harness with the idle Regulate valve. I had originally prepared to use a two wire bimetallic style valve, but I is going to be using a Screw-in design idle Regulate valve. This valve takes advantage of a stepper motor which https://4ageenginesale11875.dailyhitblog.com/44774350/an-unbiased-view-of-jdm-toyota-4a-ge