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Acura
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1999
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NSX-T V6-3.0L DOHC (VTEC)
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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P Code Charts
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P0139
P0139
[P0139]
The scan tool indicates Diagnostic Trouble Code (DTC) P0139: A slow response problem in the Rear Secondary Heated Oxygen Sensor (HO2S) (Bank 1, Sensor 2) circuit.
