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Home >> Infiniti >> 1998 >> QX4 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Tests >> Idle Control Systems >> Idle Air Control (IAC) Valve Air Regulator
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Idle Air Control (IAC) Valve Air Regulator

Disconnect IAC valve air regulator harness connector. Measure resistance between air regulator terminals. Resistance should be 70-80 ohms at 77°F (25°C). If resistance is not as specified, replace IAC valve air regulator.

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