All ECU’s use several sensors to ascertain load. Nevertheless the strategy employed may differ between engines since the Silvertop uses an easy Vane form airflow meter while the Blacktop employs a more complicated vacuum (MAP) and throttle place (TPS) for larger sized throttle openings exactly where there is no vacuum. https://johnathanhnrll.oblogation.com/30772020/the-basic-principles-of-blacktop-20v-4age