LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Buick
>>
2002
>>
Century Custom
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Control System Self-Diagnostics - 3.1L Engine
>>
Inspection/Maintenance Procedures
>>
Inspection/Maintenance Heated Oxygen Sensor/Oxygen Sensor (Ho2S/O2S) System Set Procedure
>>
Conditions For Running Test
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Conditions For Running Test
Engine coolant temperature is more than 176°F (80°C).
Engine operating in closed-loop.
The engine has been running for more than 4 minutes.
Battery voltage is 10-18 volts.