Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD1993TEMPO LX, 2.3 X, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - BASIC TESTING - V6FUEL SYSTEMINERTIA FUEL SHUTOFF (IFS) SWITCH
1993 Ford Tempo LX, 2.3 X, Standard
Inertia Fuel Shutoff (Ifs) Switch
1993 Ford Tempo LX, 2.3 X, StandardSECTION Inertia Fuel Shutoff (Ifs) Switch
- If IFS switch is tripped, engine cannot be restarted until switch is manually reset. To reset IFS switch, depress switch button. For IFS switch location, see INERTIA FUEL SHUTOFF (IFS) SWITCH LOCATION table.CAUTION: DO NOT reset inertia switch until fuel system has been inspected for leaks.INERTIA FUEL SHUTOFF (IFS) SWITCH LOCATION
Application Location Probe Right Side Of Trunk Sable & Taurus Sedan Left Side Of Trunk Wagon Behind Access Door In Right Rear Cargo Area All Others In Trunk On Left Hinge Support Or Behind Trim Panel - To test inertia switch, turn ignition off. Remove inertia switch. Shake inertia switch to force switch into tripped position (switch open).Measure resistance between inertia switch terminal. See INERTIA SWITCH RESISTANCE table. Replace switch if resistance is incorrect, or if switch cannot be tripped.
INERTIA SWITCH RESISTANCE
| Switch Position | Ohms | ||||
|---|---|---|---|---|---|
| Open (1) | 10,000+ | ||||
| Closed (2) | 0-5 | ||||
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RENDER: 1.0x
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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.