All ECU’s use different sensors to find out load. Having said that the method utilised varies involving engines since the Silvertop takes advantage of an easy Vane form airflow meter although the Blacktop takes advantage of a more elaborate vacuum (MAP) and throttle posture (TPS) for more substantial throttle openings https://codyidwlb.blognody.com/31891760/5-easy-facts-about-toyota-4a-ge-described