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P1166 Diagnostic Trouble Code Discussion for June 2012

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

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Trouble Ticket Help Requests for DTC P1166
Help Request Posted
2004 Kia Rio 1.6L Poor Idle Quality VIN: KNADC12554
P1166: Oxygen Sensor System Lambda Bank Controller At Limit (Bank 1). Hello IATN, I have a 2004 Kia Rio with a surging idle. This car has been an issue for a while now with running rough and throwing O2S codes. The customer brought it back to us earlier in the week and couldn't drive over 20MPH. Brought the car in and scaned it ...
June 02, 2012