All ECU’s use different sensors to find out load. However the tactic made use of may differ between engines since the Silvertop employs an easy Vane type airflow meter whilst the Blacktop takes advantage of a far more complicated vacuum (MAP) and throttle posture (TPS) for larger sized throttle openings https://toyota-4a-ge82589.activoblog.com/32762955/examine-this-report-on-4age-20v-itbs