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Home >> Ford >> 1990 >> Probe GL, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - EEC-IV >> Emissions/Sub-Systems Checks - Air Injection >> Solenoid Vacuum Valve Assembly
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Solenoid Vacuum Valve Assembly

The ports should flow air when the solenoid is energized. The solenoid resistance at the terminals should be between 51-108 ohms. If the solenoid resistance is not within this range, replace the solenoid.