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: 111,860 (15,000–187,251)
9 model years affected: 2001, 2002, 2003, 2004, more2005, 2006, 2007, 2008, 2009
50 people reported this problem
32 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
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.
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 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 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.
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.
2003 Kia Spectra155,000
O2 sensor will send a "pending" error code after warm up (10-15 mins or more). But it runs fine and won't actually give error code (trigger engine light). But the next time you crank it up, the pending code is confirmed and triggers the code. If you don't reset the ecm -- either by disconnecting the battery or pulling the ecm fuse -- then the car will run progressively worse and worse. And will also show error codes for the IAC (rpm higher than expected), fuel lean on bank 1, and sometimes throttle position error. But it always starts with an o2 pending error on the first start up after reset and then an actual engine light triggering error for o2 sensor from bank 1.
2001 Kia Spectra165,000
I replaced both of the 02 sensors plenty of times And it continues to give me the same codes to have them replaced along with something about the bank 1 heater ect . My car is over due for emission And I'm out of options here . Don't know what else to do . Any help? Thanks in advance
2001 Kia Spectra89,000
I reasonly bought kia sephia 2001 automatic. the engine light is on and when you drive it make roaring load sound and wont shift to gear for couple minutes before going to faster gear. the guy sell to me say its transmission sensor problem. computer sensor need to be fix. let me know how you can help me.
check engine light on and off will not pass smog because of this problem
2006 Kia Spectra105,000
Check engine light goes on and off. Autozone said it was oxygen sensor.
2008 Kia Spectra68,000
Check engine light came on and I had it checked. Code was for bad O2 sensor. Ordered the part, drove away and light went off. Not sure what to do now....
2005 Kia Spectra150,000
Check engine light is on and the guy at advance said it was the 02 sensor
2006 Kia Spectra100,000
Not fixed. Car occasionally has problems with hesitation
Check engine light keeps coming on, had it diagnosed, and it came back 01sensor...oxygen problems. My whole dashboard (speedometer, works when it wants) my headlight bulb is new but goes out ...hit it and it pops on. Just had all wiring replaced in March....why am I having all these problems. And when I look online, several owners are having same issues. Where are the Recalls....
2002 Kia Spectra99,500
Check engine light code shows o2 sensor issue. I haven't changed it since I do not drive the vehicle but i will let the vehicle run for about an hour to keep the battery charged. The check engine light went off now. My suspicions are the wires.
2007 Kia Spectra160,000
Check engine light came on then cleared; code P0030 comes up Heated Oxygen Sensor Heater Control Circuit Bank 1 Sensor 1
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