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Infiniti Truck
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1999
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QX4 V6-3275cc 3.3L SOHC MFI (VG33E)
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Idle Up Control Valve
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Description and Operation
Idle Up Control Valve: Description and Operation
When the air conditioner is on, the IACV-FICD solenoid valve supplies additional air to adjust to the increased load.