All ECU’s use a variety of sensors to find out load. However the tactic utilized may differ involving engines since the Silvertop makes use of a simple Vane form airflow meter while the Blacktop uses a far more complicated vacuum (MAP) and throttle posture (TPS) for larger sized throttle openings https://zanderwnajr.p2blogs.com/30558857/4age-for-sale-things-to-know-before-you-buy