2018-F150-Owner's Manual

Engine Emission Control

Filter Service andMaintenance Over time, a slight amount of ash builds up in the diesel particulate filter, which is not removed during the regeneration process. The filtermay need to be replaced with a new or remanufactured part at approximately 250,000mi (400,000km). Actualmileage varies depending on engine and vehicle operating conditions.

If filter service is required, the engine control system warning lamp illuminates in the If there are any issues with the diesel particulate filter system, the engine control system warning lamp and a service engine soon warning lamp illuminate to inform you that

information display.

your vehicle requires service. Have your vehicle checked as soon as possible. Resonator and Tailpipe Assembly Maintenance Aftermarket devices or modifications to the exhaust systemmay reduce the effectiveness of the exhaust system as well as cause damage to the exhaust system or engine. This may also degrade vehicle performance and could lead to engine damage that may not be covered by the vehicle Warranty.

204

F-150(TFC)Canada/UnitedStatesofAmerica,enUSA,Editiondate:201709,SecondPrinting