All ECU’s use various sensors to determine load. Having said that the strategy employed varies involving engines because the Silvertop utilizes a simple Vane variety airflow meter although the Blacktop utilizes a more intricate vacuum (MAP) and throttle position (TPS) for much larger throttle openings where there isn't any vacuum. https://4a-geengineforsale55610.dailyblogzz.com/31862596/how-much-you-need-to-expect-you-ll-pay-for-a-good-4age-for-sale