All ECU’s use several sensors to determine load. Nonetheless the tactic used varies involving engines as the Silvertop makes use of a straightforward Vane kind airflow meter although the Blacktop uses a more intricate vacuum (MAP) and throttle situation (TPS) for larger throttle openings in which there isn't a vacuum. https://jdmtoyota4a-ge60123.bloggerbags.com/36546265/detailed-notes-on-blacktop-4age-for-sale