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Yes, a bad 02 sensor can cause the cheek engine light to turn on.
It happened to my Honda Accord 96. Autozone OBD states that I have a "Malfunction Oxygen Sensor". I disconnected the negative battery cable and the check engine light went off. Until now it did not came back. It is more than a month now. I save a lot of money.
I heard an Auto Zone commercial yesterday saying that if "your check engine light comes on in your car, then come to Auto Zone and buy a new oxygen sensor" and that would fix the problem.
I went TO 2 Auto Zones today and they both checked my check engine light. both said that my O2 sensors are lean or bad. I further discovered that just replacing the sensors which by the way for 2000 Ford Windstar LX 9 parts are about (129.00) with labor about $250.00 is not a guarantee that the check engine light will go out. However if you do go to Auto Zone be sure to ask them for the codes and what they mean. The best thing you can do is take your care to a certified garage and have them to do a computerized diagnostic, in most cases it will cost you between $70.00-100.00, I will save you a great deal of heart ache $$$ later. There are approximately 900 items that can cause your check engine light to come on. Also, someone suggested disconnecting the battery for a minimum of 6 hours, reconnecting it and driving the Van 250 miles and see if the light goes out. will let you know how that works out.
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∙ 9y ago
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