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Pontiac
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2002
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Sunfire SE, 4D Sedan, 2.2 4, Automatic
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls Self-Diagnostics - 2.2L
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Inspection/Maintenance Procedures
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Inspection/Maintenance Heated Oxygen Sensor/Oxygen Sensor System Set Procedure
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Conditions For Running Test
Conditions For Running Test
ECT is more than 167°F (75°C).
Engine is in closed loop.
Engine has been running more than 4 minutes.
Battery voltage is 10-16 volts.