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P1166 Diagnostic Trouble Code Discussion for July 2008

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 Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: KNADC12311
P1166: O2 / PCM adaptation diag fault. We got this little gem dropped into our lap last week. The above repairs were done before we go it. The problem is only at idle, the car drives nicely at cruise speed. My scanner talks to it but the sample rate is very slow. It will read about once every 5 to ...
July 15, 2008