Intake Manifold Control Shutter Valve(s)
WARNING: This page is about a different variant/trim than selected.
Disconnect vacuum hose from shutter valve vacuum actuator. Using vacuum tester, apply vacuum to actuator. If shutter valve linkage is drawn into actuator, actuator and shutter valve are okay. If linkage does not move, check for stuck shutter valve or ruptured diaphragm in actuator.