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2005 Kia Rio 1.6L Poor Fuel Economy, MIL Lamp on
Posted to Asian Driveability on 4/7/2010 9 Replies

This car has been in several times. O2 sensors were replace 2-3 times. final time, original equipment O2 sensors were installed. Code reoccured. After following All-Data and mitchell testing, computer was replaced. Still no solution. Have checked resistance on...

9 Replies Received (View Replies)

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Message Closed w/Summary

car Vehicle Data

2005 Kia Rio

VIN KNADC12535
Engine1.6 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / gas
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy, MIL Lamp On
OccursAlways
Misc.4 Door

Trouble Codes

P0030Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Relay Circuit Malfunction
P0036Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P0420Catalyst Efficiency Below Threshold (Bank 1)
Message Closed w/Summary

car Vehicle Data

2005 Kia Rio

VIN KNADC12535
Engine1.6 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / gas
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy, MIL Lamp On
OccursAlways
Misc.4 Door

Trouble Codes

P0030Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Relay Circuit Malfunction
P0036Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P0420Catalyst Efficiency Below Threshold (Bank 1)