Engine Controls - Introduction (Except Diesel & Hybrid): Introduction: Preface: Notes

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

NOTE: For the diesel engines, refer to the appropriate Diesel Powertrain Control/Emissions Diagnosis (PC/ED) information to continue diagnosis. For the Escape Hybrid or the Mariner Hybrid, refer to the Escape Hybrid, Mariner Hybrid PC/ED article to continue diagnosis. For the Fusion Hybrid or the Milan Hybrid, refer to the Fusion Hybrid, Milan Hybrid PC/ED article to continue diagnosis.

This information is used in conjunction with the appropriate article(s) and SYSTEM WIRING DIAGRAMS article(s). The appropriate articles provide additional diagnostic or component removal and installation information. The appropriate SYSTEM WIRING DIAGRAMS article(s) provide vehicle specific wiring information, component, connector, and splice locations.

The following is a description of the information contained in each section of this service information.