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Buick
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1999
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Park Avenue Ultra V6-3.8L SC VIN 1
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Cooling System
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Description and Operation
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Throttle Body Coolant System Description
Throttle Body Coolant System Description
The fuel injection system has coolant passages in the throttle body. The coolant flow improves cold driveability.