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

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) when available.

NOTE: For the diesel engines, refer to the INTRODUCTION -- 6.0L DIESEL . For the Escape Hybrid or Mariner Hybrid, refer to the INTRODUCTION -- ESCAPE HYBRID .

This article is used in conjunction with the service information articles and SYSTEM WIRING DIAGRAMS . The service information articles are used to provide additional diagnostic or component removal and installation information. Refer to the SYSTEM WIRING DIAGRAMS for vehicle specific wiring information and component, connector, and splice locations.

The following is a description of the information contained in each of the ENGINE PERFORMANCE articles.