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P1166 Diagnostic Trouble Code Discussion for March 2009

Heated Oxygen Sensor (Bank 2 Sensor 2) Minimum Voltage Monitoring

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Trouble Ticket Help Requests for DTC P1166
Help Request Posted
2001 Kia Rio 1.5L MIL Lamp on, Monitors unable set VIN: KNADC12371
P1166: O2 Sensor/PCM Diagnostic Fault. ... to less than a .05 volts at idle. after so long a drive the MIL comes on and sets P1166 Code. Also am not able to get enough Monitors up and running for a retest at Emissions.Check for any Vac leaks ond valve timing. All passes with fling colors.
March 23, 2009