2005 Ford Excursion 6.0 P, 4WDFACTORY OEM SERVICE PROCEDURE

Engine Code

Fig 1: Identifying Engine Code
G03903929Courtesy of FORD MOTOR CO.

The eighth VIN position is the engine displacement and number of cylinders.

  • L - 5.4L, Modular, SOHC, EFI, V8, Gas
  • P - 6.0L, OHV, DI Turbo, V8, Diesel
  • S - 6.8L, SOHC, EFI, V10, Gas
Factory Service Tools

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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.

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