A control unit calculates a quantity of air that is taken into an engine from an output current from an air flow meter that is located downstream from a throttle valve. The control unit then determines the quantity of fuel to be injected for this quantity of air. The control unit determines a rise in...http://www.google.com/patents/US20060288987?utm_source=gb-gplus-sharePatent US20060288987 - Control unit for an internal combustion engine
