All ECU’s use several sensors to determine load. Having said that the tactic utilized varies involving engines as the Silvertop works by using a straightforward Vane type airflow meter whilst the Blacktop makes use of a more advanced vacuum (MAP) and throttle situation (TPS) for larger sized throttle openings where https://toyota-4a-ge82582.iyublog.com/30734395/about-4age-20v-blacktop-for-sale