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 MANUALSFORD1996EXPLORER 4D UTILITY, 4.0 X, 4WD, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - SYSTEM & COMPONENT TESTS - EEC-VMODULES, MOTORS, RELAYS & SOLENOIDSIDLE AIR CONTROL SOLENOID
1996 Ford Explorer 4D Utility, 4.0 X, 4WD, Automatic
Idle Air Control Solenoid
1996 Ford Explorer 4D Utility, 4.0 X, 4WD, AutomaticSECTION Idle Air Control Solenoid
- Idle Air Control (IAC) Solenoid is a by-pass air type. Ensure ignition is off. Disconnect IAC solenoid harness connector. Measure resistance between IAC solenoid connector terminals. Solenoid has an internal diode. Connect positive lead from DVOM to VPWR terminal and negative lead to IAC terminal. Resistance should be 6-13 ohms. If resistance is not 6-13 ohms, replace solenoid. If resistance is 6-13 ohms, go to next step.
- Measure resistance between either IAC solenoid terminal and IAC solenoid case. If resistance is 10 k/ohms or less, replace IAC solenoid. If resistance is more than 10 k/ohms, IAC solenoid may be okay. See CIRCUIT TEST KE under CIRCUIT TESTS in appropriate G - TESTS W/CODES article for additional testing and specifications.
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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.