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Modules, Relays & Solenoids: Solenoids: Notes

WARNING: This page is about a different car, the 1994 Mercury Topaz, 1994 Mercury Sable, 1994 Ford Tempo, and 1994 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
  1. Secondary Air Injection By-Pass/Diverter (AIRB/AIRD) Solenoids  Faults in secondary air injection solenoids or circuits should set a diagnostic trouble code. See QUICK TEST in appropriate TESTS W/CODES - EEC-IV (3.0L) article in the ENGINE PERFORMANCE section. If diagnostic trouble code has not been set, disconnect solenoid to be tested.
  2. Measure resistance between sensor terminals. If resistance is not 50-100 ohms, replace solenoid. If resistance is 50-100 ohms, solenoid is okay. Refer to CIRCUIT TEST KC in the appropriate TESTS W/CODES - EEC-IV (3.0L) article in the ENGINE PERFORMANCE section for additional circuit testing.
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