2015 Ford F450 Super Duty Crew Cab Diesel Supplement Printing 1 - Page 36

Fuel and Refueling Information display procedure Start with your vehicle engine fully warmed and then press the Info button on the steering wheel until the information display reads one of the following choices: • • EXHST XX% FULL CLEAN? Y/N EXHAUST FULL CLEAN? Y/N Once operator commanded regeneration starts, the engine's rpm will rise to approximately 2,000 - 2,400 rpm and the cooling fan will increase speed; you will hear a change in audible sound due to the fan and engine speed increase. It is not necessary to open the hood on the engine compartment. Once Operator Commanded Regeneration is complete, the engine rpm and fan will return to normal idling. The exhaust system will remain very hot for several minutes even after regeneration is complete. Do not reposition the vehicle over materials that could burn until the exhaust system has had sufficient time to cool. Depending on the amount of soot collected by the diesel particulate filter, ambient temperature, and altitude, Operator Commanded Regeneration may last from 10 to 25 minutes. How to interrupt or cancel Operator Commanded Regeneration If you need to cancel the Operator Commanded Regeneration, pressing the brake, accelerator, or shutting off the vehicle will stop the procedure. Depending on the amount of time you allowed the Operator Commanded Regeneration to operate, soot may not have had sufficient time to be eliminated, but the exhaust system and exhaust gas may still be hot. If you shut your vehicle off during Operator Commanded Regeneration, you will notice turbo flutter. This is a normal consequence caused by shutting off a diesel engine during boosted operation and is considered normal. Filter service and maintenance Over time, a slight amount of ash will build up in the diesel particulate filter, which is not removed during the regeneration process. The filter may need to be removed for ash cleaning at approximately 120,000 miles (193,000 km) or greater (actual 33 Answer yes to this prompt and then follow the prompts regarding exhaust position as needed to initiate Operator Commanded Regeneration. Be sure to understand each prompt. If you are not sure what is being asked by each prompt, contact an authorized dealer. The display will confirm the operation has started and when it has finished. If the diesel particulate filter is near or at saturation, a message requesting permission to initiate filter cleaning will display EXH AT LIMIT CLEAN? Y/N. Answer yes to this prompt and then follow the prompts regarding exhaust position as needed to initiate Operator Commanded Regeneration. Be sure to understand each prompt. If you are not sure what is being asked by each prompt, contact an authorized dealer. The display will confirm the operation has started and when it has finished. You can also drive to clean the filter. See Active regeneration earlier in this chapter. When the system is at the point of oversaturation, the service engine soon light will illuminate and the following message EXH OVER LIMIT SERVICE NOW will appear . You will not be able to allow cleaning. You must have your vehicle serviced by an authorized dealer. Super Duty (TFA) , enUSA