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2003
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Ion 1 Standard
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Repair and Diagnosis
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Engine Performance
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Engine Controls - Self-Diagnostics
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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
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Conditions For Running Test
Ignition 1 parameter is more than 11 volts.
Engine is running.
Affected HO2S Heater Command parameter is ON.