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Management duct with varying characteristics (VAD)
The control system opens the shutter VAD VAD air filter only at high engine speeds so that engine power is not reduced at high speeds due to insufficient air flowmeter. The PCM includes a solenoid control valve VAD system to open the damper if the following conditions are met: - Coolant temperature - above 70 ?� C; - Engine speed - 5800 min-1 above; - The opening angle of the throttle valve - more than 50%.
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