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2003
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Sunfire 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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Drive Cycles
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Inspection/Maintenance Heated Oxygen Sensor Heater System Set Procedure
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Conditions For Running Test
Conditions For Running Test
The ECT sensor parameter is less than 113°F (45°C).
The IAT sensor parameter is less than 113°F (45°C).
Difference between ECT and IAT is less than 13°F (7°C).
Battery voltage is 11.6-16.0 volts.