Does P0138 mean I need an O2 sensor exactly?
03-11-2010, 11:31 AM
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Does P0138 mean I need an O2 sensor exactly?
So I went to Autozone and they pulled the code P0138, it says it could be a bad downstream O2 sensor. Could a bad O2 sensor be the only cause to throw this code? If not, what are my options? Please Help! Thanks
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