Hyundai Tucson P Codes (Powertrain) P0100 - P0199 P0139

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Code P0139, Oxygen Sensor/Check Engine Light?

2007 HYUNDAI TUCSON
Shows Code P0139, O2 Circuit Slow Response (bank 1, Sensor 2). I Replaced The Sensor As Suggested And All Seemed Good For Several Days. (a...
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Asked by Gentjim

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