I had the O2 sensor replaced on the above car. However the "Check Engine" light stayed on. I was told that there are 4 O2 sensors or the car and that another one must also be bad. I took the car back to have the problem fixed. The "Check Engine" light came back on after only a few minutes of driving. Are there 4 O2 sensors? If so would they all go bad at the same time? How much should it cost to have one replaced?
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Friday, May 23rd, 2008 AT 10:11 AM