All ECU’s use different sensors to find out load. Even so the strategy utilised varies concerning engines as being the Silvertop takes advantage of a straightforward Vane form airflow meter whilst the Blacktop makes use of a more sophisticated vacuum (MAP) and throttle position (TPS) for more substantial throttle openings https://bookmarks4seo.com/story18486868/the-basic-principles-of-toyota-4age-blacktop-engine-for-sale