Question about 2006 Chevrolet Cobalt SS
When the problem first come up tester said need to replace oxidant sensor.
I doubt the code said to replace the O2 sensor. It probably said there was an issue with the data it was sending to the computer.
Sometimes the sensor is faulty, and sometimes there is a problem with the fuel system.
The O2 sensors give the computer data it uses to adjust fuel mixture.
If you can get the actual trouble code or codes we can advise.
Posted on Jan 17, 2013
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Posted on Jan 02, 2017
SOURCE: check engine light on replaced
Hello and welcome to FixYa!
You may need to drive it for atleast another 20 miles to reset the system. If the problem still persists, I strongly suggest that you remove the positive battery connector and let it sit for atleast 5mins. before reconnecting it. This will reset the system and can get the check engine light.
Hope this helps and thank you for using FixYa! Have a good one!
Posted on Aug 21, 2011
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