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Pontiac
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2001
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Firebird Base, 2D Convertible, Automatic
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System Self-Diagnostics - 3.8L
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Inspection/Maintenance Procedures
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Inspection/Maintenance Heated Oxygen Sensor Heater System Set Procedure
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Conditions for Running
Conditions for Running
Start up Engine Coolant Temperature (ECT) is less than 95°F (35°C).
Start up Intake Air Temperature (IAT) is less than 95°F (35°C).
Difference between IAT and ECT is less than 11°F (6°C).
Battery voltage is 9-18 volts.