Section 489 (Engine Controls - Introduction (Diesel)): Introduction: Preface: Notes

WARNING: This page is about a different car, the 2020 Ford F-550 Super Duty, 2020 Ford F-450 Super Duty, 2020 Ford F-350 Super Duty, 2020 Ford F-250 Super Duty, and 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

This article provides a step-by-step approach for diagnosing driveability, emission, and powertrain control system symptoms. Before beginning diagnosis, it may be helpful to reference any Technical Service Bulletins (TSBs) or On-line Automotive Service Information System (OASIS) information when this is available. TSB and OASIS information is available on either the Professional Technician Society (PTS) or Motorcraft® website.

This article is used in conjunction with the Service Information and Wiring Diagrams article. The Service Information articles are used to provide additional diagnostic or component removal and installation information. Refer to the Wiring Diagrams for vehicle specific wiring information and component, connector, and splice locations.

The following is a description of the information contained in each portion of this article.