1. Remove the air hose.
2. Disconnect the vacuum hose from the variable tumble shutter valve actuator.
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LF
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L3
3. Connect a vacuum pump to the variable tumble shutter valve actuator.
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4. Apply vacuum and verify that the rod moves.
- If the rod does not move, replace the intake manifold.
VARIABLE INTAKE AIR SHUTTER VALVE ACTUATOR INSPECTION[LF. L3]
1. Remove the air hose.
2. Disconnect the vacuum hose from the variable intake air shutter valve actuator.
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LF
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L3
3. Connect a vacuum pump to the variable intake air shutter valve actuator.
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4. Apply vacuum and verify that the rod moves.
- If the rod does not move, replace the intake manifold.