1994 Ford Explorer 4D Utility, RWD, AutomaticFACTORY OEM SERVICE PROCEDURE

Engine/VIN Id: Application: Notes

MODEL COVERAGE

MODEL ENGINE ENGINE ID FUEL SYSTEM IGNITION SYSTEM
Aerostar 3.0L U SFI-MA (1) TFI-IV
Aerostar 4.0L X (3) MFI-MA (2) EDIS
Bronco 5.0L N (4) MFI (1) TFI-IV
Bronco 5.8L H MFI (1) TFI-IV
"E" Series RWD Van (E150-350) 4.9L Y MFI (1) TFI-IV
"E" Series RWD Van (E150) 5.0L N SFI (1) TFI-IV
"E" Series RWD Van (E150-350) 5.8L H MFI (1) TFI-IV
"E" Series RWD Van (E350) 7.3L M In-Direct Injection Diesel N/A
"E" Series RWD Van (E350) 7.5L G MFI (1) TFI-IV
Explorer 4.0L X (3) MFI-MA (2) EDIS
"F" Series Pickup (F150/250) 4.9L Y MFI (1) TFI-IV
"F" Series Pickup (F150/250) 5.0L N (4) MFI (1) TFI-IV
"F" Series Pickup (F150-350) 5.8L H MFI (1) TFI-IV
"F" Series Pickup (F250-350) & F-Super Duty (5) 7.3L F Direct Injection Turbo Diesel N/A
"F" Series Pickup (F250-350) & F-Super Duty 7.3L K & M In-Direct Injection Diesel N/A
"F" Series Pickup (F250-350) & F-Super Duty 7.5L G MFI (1) TFI-IV
Ranger 2.3L A (3) MFI-MA (6) DIS
Ranger 3.0L U SFI-MA (1) TFI-IV
Ranger 4.0L X (3) MFI-MA (2) EDIS
Villager 3.0L W MFI-MA Transistorized
(1) This system may also be referred to as Distributor Ignition (DI).
(2) This system may also be referred to as EI (high data rate).
(3) On California models, SFI-MA is used.
(4) On models equipped with AODE (transmission code SFI-MA is used.
(5) Available only with F-Series with M/T only.
(6) This system may also be referred to as EI (low data rate).
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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