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Home >> Mazda >> 1983 >> RX-7 GSL, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Spark Control System >> Component Testing >> Vacuum Control Solenoid Valve
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Vacuum Control Solenoid Valve

  1. Disconnect vacuum sensing tubes from leading vacuum control solenoid valve (Brown dot). Blow through solenoid valve from vacuum tube "B" shown in Figure . Air should escape at front port. Trailing vacuum control solenoid valve (Green dot) is tested in the same manner.
  2. Disconnect electrical connector from solenoid valve and connect battery power to terminals on valve. Blow through hose again. Air should escape through air filter at rear of valve. Replace valve if it does not perform as outlined.
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