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Home >> Mitsubishi >> 1987 >> Starion ESI-R >> Repair and Diagnosis >> Engine Performance >> System >> Secondary Air Supply System >> Component Testing >> Secondary Air Control Solenoid Valve >> Turbocharged
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Secondary Air Control Solenoid Valve: Turbocharged

  1. Remove White-striped, Blue-striped and Yellow-striped vacuum hoses from solenoid valve. Separate harness connector. Connect vacuum pump to nipple where White-striped hose was connected and apply vacuum.
  2. When battery voltage is applied to valve, vacuum should leak. When no voltage is applied, vacuum should hold.
  3. Connect vacuum pump to nipple where Blue-striped hose was connected and apply vacuum. When battery voltage is applied to valve, vacuum should hold. When no voltage is applied, vacuum should leak. Measure solenoid coil resistance. Standard value is 38-44 ohms.
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