Labels:text | screenshot | font | line | rectangle | number | parallel OCR: Turn on is predicted Expected Injector- based on expected Off Angie injector off angle and fuel time. Injector remains on for specified fuel time. (b) Tum on is predicted. Spark must fire at based on spark-fire Specified angle. angle and expected coil-charge time. Expected Coil- Charge Time Figure 2: (a) Fuel delivery pulse; (b) spark timing pulse.