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Chevrolet
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2002
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Impala LS
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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 Air System Set Procedure
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Conditions For Running
Conditions For Running
Engine Coolant Temperature (ECT) is 40-230°F (4.5-110.0°C).
Intake Air Temperature (IAT) is more than 40°F (4.5°C).
Engine is operating in closed loop.
Battery voltage is more than 10 volts.