2008 Ford Expedition EL RWDFACTORY OEM SERVICE PROCEDURE

General Specifications

GENERAL SPECIFICATIONS

Item Specification
Engine IgnitionΒ 
Base timing 10Β° BTDC
Firing order 1-3-7-2-6-5-4-8
Spark plug (early build - black coil boot) PZT-14F
Spark plug (late build - brown coil boot) HJFS-24FP
Spark plug gap (early build - black coil boot)a 1.15 Β± 0.13 mm
(0.040-0.050 in)
Spark plug gap (late build - brown coil boot) 1.05 Β± 0.05 mm
(0.039-0.043 in)

a Spark plug gap is not adjustable.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

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

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

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