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P0030 Diagnostic Trouble Code Discussion for April 2010

Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0030
Help Request Posted
2005 Kia Rio 1.6L Poor Fuel Economy, MIL Lamp on VIN: KNADC12535
P0030: Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit Malfunction. 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...
April 07, 2010