821946A30 Mercury CARBURETOR (TOP)

intended to improve fuel economy by limiting idling time.The "Idle Shutdown Timer" is a "Customer Specified Parameter" that may be programmed for any period from 3 to 1440 minutes.The timer is activated when all of the following conditions are met regardless of the position of the parking brake:
The vehicle speed is 0.
The engine is not in "Cold Mode" or "Dedicated PTO Mode".
The engine is not under load.The timer can be reset by moving the vehicle or the timer can be reset by quickly depressing the accelerator pedal and releasing the accelerator pedal.The check engine lamp will begin to rapidly flash 90 seconds before the programmed time expires. During this 90 second time period, the following conditions can disable the timer:
The driver moves the clutch pedal.
The driver moves the service brake pedal.The following event code will be logged when the driver overrides the timer by the use of the clutch pedal or the brake pedal during the