lemon-mirror
:
Home
>>
Chevrolet
>>
2002
>>
Impala LS
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Control System Self-Diagnostics - 3.8L
>>
Inspection/Maintenance Procedures
>>
Inspection/Maintenance Heated Oxygen Sensor Heater System Set Procedure
>>
Conditions For Running
Conditions For Running
Engine Coolant Temperature (ECT) is less than 95°F (35°C).
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.