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P1166 Diagnostic Trouble Code Discussion for February 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
2001 Kia Rio 1.5L Poor Idle Quality, Hesitation, Cuts out VIN: KNADC12351
P1166: control adaptations out of limits. ... one. when first in pulled codes p0171 p1166 running lean and at max cntl. adapt. found intake man. gasket split out on #1 cyl. replaced gasket with little improvement. then after seeing previous repairs done i decided to look at valve timing. found exhaust...
February 07, 2012