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2001 Kia Rio 1.5L Poor Idle Quality, MIL Lamp on
Posted to Asian Driveability on 6/23/2011 5 Replies

I have a 2001 Kia Rio that keeps 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...

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  Related Documents & Media  2001 Kia Rio

 
Message Closed w/Summary

car Vehicle Data

2001 Kia Rio

VIN KNADC12331
Engine1.5 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On

Trouble Codes

P1166Air Fuel Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
Message Closed w/Summary

car Vehicle Data

2001 Kia Rio

VIN KNADC12331
Engine1.5 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On

Trouble Codes

P1166Air Fuel Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction