Check Engine Light On, Engine Runs OK on Kia Spectra

The Check Engine Light may erroneously illuminate, signifying a fault with the front oxygen sensor when no fault exists. Replacing the electrical connections at the oxygen sensor with a repair kit available from Kia will commonly fix this problem.

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Average mileage: 105,367 (15,000–187,251)
6 model years affected: 2002, 2003, 2004, 2005, more2006, 2007
42 people reported this problem
25 people shared problem details
2003 Kia Spectra80,100
2003 Kia Rio....has now had the front O2 Sensor changed 4 times (Bosch brand versus manufacturer original part) and the back O2 Sensor once. It checks out fine then within days, always while driving on the highway, it indicates again. it is NOT fixed and I need advice
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2005 Kia Spectra55,000
I bought this used at 55,000. Check engine light goes on and off. Sometimes days with no light. Other days it stays on maybe for a day.
2007 Kia Spectra71,000
Check engine light came on, KIA dealership said it was my O2 sensor, I had them replace it, within 3 days it was on again, they tried another one and it is still on
2005 Kia Spectra90,000
Check engine light used to come on and go off. The first time it came on I took it to my mechanic and they said that it was O2 sensors which I knew had recently been replaced by the previous owners of the car. I know that this is caused by an electrical connection and not in fact the O2 sensors. Need to have that fixed, which I understand is very low cost. I just need to know what the exact part is.
2004 Kia Spectra140,000
Our check engine light is on, we replaced both o2 sensors and also the catalytic converter and now the check engine light is on again throwing the code that the upstream o2 sensor is bad. and they were both just replaced 2 years ago!!!!
2006 Kia Spectra75,000
I paid to have it turned off and it came back on the next day.
I can drive about 30 minutes and shut off the car. When it is restarted after sitting a few minutes or more, the check engine light will come on. The code reader says O2 sensor heater circuit, bank 1 sensor 1.
My check engine light goes on and off all of the time. It as well was tested to be the Oxygen Sensor. I've had the issue before and Kia replace some emissions valve in the gas tank stating I had over fueled my vehicle and flooded it. Unfortunately for them, I have never over fueled my car in my 10 years as the only owner of the vehicle. I'm rely surprised this car has only had 2 recalls with all of the issues I have had with it.
Dealer replaced electric connections twice prior to warranty experation. Light comes back on every 5 to 7500 miles. It's on at 74000 and I may have to change the oxygen sensor.
2007 Kia Spectra174,568
My Kia spectra won't turn off even I change sessor
2004 Kia Spectra68,532
Took into Kia 6 times, each time light would be back on within 400 miles. Finally the Veh reached it's 100,000 warranty and it is now my responsibility for the cost to diagnose.
2006 Kia Spectra77,835
Check Engine Light. Code states O2 Sensors. Replace Both Sensors Reset Light. Check Engine came back on.
The check engine light goes on and off and various times
2005 Kia Spectra50,000
Check engine light is on. I bought a OBD2 tool to get the code and it is P2237, 02 Sensor Positive Current Control Circuit / Open Bank1 Sensor1. Can anybody tell me what that means.
2004 Kia Spectra80,000
Bought a diagnostic tool to clear error code
2007 Kia Spectra187,251
Check engine light came on for upper O2 Senor.
check engine light on and off will not pass smog because of this problem
2005 Kia Spectra153,000
Replaced downstream o2 sensor based on engine diagnostics. Engine light resumed with same out of range code indicating connector/wiring harness failure. Will have to secure repair kit from Kia or get a connector from alternate source and splice wires.
2005 Kia Spectra88,000
O2 sensor error comes up on diagnostic computer.. Ive heard that it is probably not an O2 problem but the wire connection is bad at the sendor
Check engine light comes on randomly. Various codes none verfied. No solution yet.
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