Section 976 (Engine Controls - Introduction (Except Diesel & Hybrid)): Introduction: Preface: Notes

2009 Ford Fusion SEL, 3.0 1, FWDSECTION Notes
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2008 Mercury Sable, 2008 Mercury Mountaineer, 2008 Mercury Milan, 2008 Mercury Mariner, and 2008 Mercury Grand Marquis. 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 Powertrain Control/Emissions Diagnosis Manual to continue diagnosis. For the Escape Hybrid or Mariner Hybrid, refer to the Escape Hybrid, Mariner Hybrid Powertrain Control/Emissions Diagnosis Manual to continue diagnosis.

This article is used in conjunction with the Workshop Manual and Wiring Diagrams. The Workshop Manuals are used to provide additional diagnostic or component removal and installation information. The Wiring Diagrams 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.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.