LEMON Manuals
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GMC
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2004
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Jimmy 2D Utility, Part Time, Standard
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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 - 4.3L (Troubleshooting & Diagnosis)
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Troubleshooting
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Inspection/Maintenance (I/M) Heated Oxygen Sensor/Oxygen Sensor (HO2S/O2S) System Set Procedure
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Conditions for Running
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Conditions for Running
The engine coolant temperature (ECT) is more than 57° C (135° F).
The engine is running in Closed Loop Fuel Control.
The engine has been running for more than 160 seconds.
The battery voltage is between 9-18 volts.