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.
1998 Mercury Villager GS, Van CargoFACTORY OEM SERVICE PROCEDURE
Fuel Pump Relay
- Turn ignition off. Leave fuel pump relay disconnected. Measure resistance between terminals No. 1 or No. 85 and all other terminals. To identify fuel pump relay terminals, refer to numbers molded on relay.
- One resistance measurement should be 40-120 ohms; all other measurements should be greater than 10,000 ohms. Replace fuel pump relay if resistance is not as specified. If resistance is okay, see CIRCUIT TEST KA in TESTS W/CODES - EEC-V article for additional testing procedures.
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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