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Buick
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2003
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Century Base
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Repair and Diagnosis
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Engine Performance
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Engine Controls Self-Diagnostics - 3.1L Engine
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Drive Cycles
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Inspection/Maintenance Exhaust Gas RECIRCULATION System Set Procedure
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Conditions for Running
Conditions for Running
The Barometric Pressure (BARO) sensor parameter is more than 65 kPa.
The engine coolant is at operating temperature, 176-230°F (80-110°C).
The Intake Air Temperature (IAT) is less than 149°F (65°C).