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Home >> Toyota >> 1994 >> MR2 2.2 S, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Air Induction Systems >> Variable Induction Systems >> Variable Induction Vacuum Actuator

Variable Induction Vacuum Actuator

  1. Disconnect vacuum hose at variable induction vacuum actuator. See Figure. Using vacuum pump, apply about 16 in. Hg of vacuum to variable induction vacuum actuator. Ensure vacuum actuator rod pulls inward and valves move to closed position.
  2. Release vacuum. Note that variable induction vacuum actuator rod moves quickly outward so valves are open. Replace variable induction vacuum actuator if defective. Remove vacuum pump. Reconnect vacuum hose.
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