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P1166 Diagnostic Trouble Code Discussion for June 2011

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, MIL Lamp on VIN: KNADC12331
P1166: Lambda Bank Control Limit. ... throwing a P1166 DTC. The freeze frame for the code shows 2180rpm, ECT 192 degF, VSS 35mph, eng load 32%, closed loop, LTFT -20.3% and STFT +39.8%. When the vehicle first came in I found a voltage drop on the ground wire of the MAF sensor that was 0.3v. We...
June 23, 2011
2004 Kia Rio 1.6L MIL Lamp on VIN: KNADC12524
P1166: Oxygen Sensor System Lambda Bank Controller At Limit (Bank 1). ... p0171,p0121,and p1166. This car previously had the throttle screw trampered with as well as a vacuum leak (purge hose left off) I cant find a vacuum leak,the pcv hoses are installed correctly,it has a new MAF sensor,fuel pres was checked at idle last time ...
June 24, 2011