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Home › Mazda › 1990 › RX-7 Base, Automatic › Repair and Diagnosis › Engine Performance › System › Engine Controls - System/Component Tests › Idle Speed Control (ISC) System › Accelerated Warm-Up Solenoid Valve

Accelerated Warm-Up Solenoid Valve

  1. Disconnect air by-pass solenoid valve connector. Using ohmmeter, check resistance between solenoid valve terminals. Resistance should be 9.3-11.3 ohms.
  2. Apply battery voltage and ground to valve terminals. Listen for operating sound from valve. Replace valve if resistance is not within specification or no operating sound exists.
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