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Home >> Mitsubishi >> 1987 >> Starion ESI-R >> Repair and Diagnosis >> Engine Performance >> System >> Throttle Opener System >> Component Testing >> Solenoid Valve
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Solenoid Valve

  1. Mark location and remove White-striped and Yellow-striped vacuum hoses from solenoid valve. Disconnect harness connector. Connect vacuum pump to nipple on valve where White-striped hose was connected and apply vacuum.
  2. When battery voltage is applied to solenoid valve terminal and other nipple on valve is left open, vacuum should leak. If other nipple is plugged, vacuum should hold.
  3. When no battery voltage is applied and other nipple is open, vacuum should hold. Check solenoid coil resistance. Standard resistance is 38-44 ohms at 68°F (20°C).
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