2015 Ford F450 Super Duty Crew Cab Owner Manual Printing 2 - Page 84

Instrument Cluster Low Fuel Level Illuminates when the fuel level is low or the fuel tank is nearly empty. Refuel as soon as possible. If the light is blinking, engine misfire is occurring which could damage your catalytic converter. Drive in a moderate fashion (avoid heavy acceleration and deceleration) and have your vehicle serviced immediately. Note: Under engine misfire conditions, excessive exhaust temperatures could damage the catalytic converter or other vehicle components. The service engine soon indicator light illuminates when the ignition is first turned on prior to engine start to check the bulb and to indicate whether the vehicle is ready for Inspection/Maintenance (I/M) testing. Normally, the service engine soon light will stay on until the engine is cranked, then turn itself off if no malfunctions are present. However, if after 15 seconds the service engine soon light blinks eight times, it means that the vehicle is not ready for I/M testing. See Emission Control System (page 143). Low Tire Pressure Warning Illuminates when your tire pressure is low. If the lamp remains on with the engine running or when driving, check your tire pressure as soon as possible. It will also illuminate momentarily when you switch the ignition on to confirm the lamp is functional. If it does not illuminate when you switch the ignition on, or begins to flash at any time, have the system checked by your authorized dealer. Powertrain Malfunction/Reduced Power/Electronic Throttle Control Illuminates when a powertrain or an AWD fault has been detected. Contact your authorized dealer as soon as possible. Stability Control Illuminates when the system is active. If it remains illuminated E138639 or does not illuminate when you switch the ignition on, this indicates a malfunction. During a malfunction the system will switch off. Have the system checked by your authorized dealer immediately. See Using Stability Control (page 169). Service Engine Soon If the service engine soon indicator light stays illuminated after the engine is started, it indicates that the On-Board Diagnostics (OBD-II) system has detected a malfunction of the vehicle emissions control system. Refer to On-Board Diagnostics (OBD-II) in the Fuel and Refueling chapter for more information about having your vehicle serviced. See Emission Control System (page 143). Stability Control Off Illuminates when you switch the system off. It will go out when you switch the system back on or when you switch the ignition off. See Using Stability Control (page 169). 81 Super Duty (), enUSA