All ECU’s use numerous sensors to find out load. However the strategy applied differs between engines as the Silvertop utilizes a straightforward Vane form airflow meter whilst the Blacktop employs a far more complicated vacuum (MAP) and throttle position (TPS) for greater throttle openings where there isn't a vacuum. We https://free-bookmarking.com/story18571155/the-definitive-guide-to-toyota-4age-blacktop-engine-for-sale