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Home >> Lexus >> 2001 >> ES 300 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Air Induction Systems >> Acoustic Control Induction System (ACIS) >> Notes
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Acoustic Control Induction System (ACIS): Notes

NOTE: All models are equipped with 2 Intake Air Control Valves (IACVs) and 2 ACIS Vacuum Switching Valves (VSVs). No. 1 IACV is located between the air intake chamber and No. 1 and 2 throttle bodies. No 2 IACV is located on front of air intake chamber. IACV VSVs are part of the emission control valve set and is located near air intake chamber.
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