All ECU’s use several sensors to determine load. Having said that the strategy utilised differs among engines as being the Silvertop takes advantage of an easy Vane form airflow meter although the Blacktop takes advantage of a far more complex vacuum (MAP) and throttle situation (TPS) for larger sized throttle https://bookmarkalexa.com/story3992900/indicators-on-4age-20v-you-should-know