All ECU’s use several sensors to ascertain load. Having said that the method made use of differs concerning engines because the Silvertop makes use of an easy Vane variety airflow meter while the Blacktop utilizes a far more elaborate vacuum (MAP) and throttle position (TPS) for more substantial throttle openings https://bookmarkstown.com/story18720910/the-ultimate-guide-to-toyota-4a-ge