Section 1251 (Engine Controls - Introduction (Except Diesel & Hybrid)): Preface: Notes

WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2009 Mercury Mountaineer, 2009 Mercury Milan, 2009 Mercury Mariner, 2009 Mercury Grand Marquis, and 2009 Lincoln Town Car. 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/OASIS information is available on either the Professional Technician Society (PTS) or Motorcraft® website.

NOTE: For the diesel engines, refer to the appropriate Diesel Diagnosis article to continue diagnosis. For the Escape Hybrid or Mariner Hybrid, refer to the Escape Hybrid, Mariner Hybrid Diagnosis article to continue diagnosis.

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

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