Fault code P0139 – a step-by-step guide to diagnosing and fixing it

The meaning of error code P0139 – Oxygen Sensor Heater Circuit Slow Response (Bank 1, Sensor 2)

P0139

Search your trouble code

P0420
P0171
P0300
P0113
P0340
P0335
P0128
P0172
P0011
P0016
P0102
P0135
P0299
P0301
P0401
P0430
P0087
P0101
P0141
P0174
P0302
P0303
P0304
P0441
P0442
P0700
P0014
P0031
P0106
P0118
P0446
P0500
P0010
P0122
P0134
P0138
P0325
P0341
P0443
P0017
P0030
P0037
P0089
P0100
P0107
P0108
P0121
P0130
P0234
P0403

The meaning of fault code P0139 is: Oxygen Sensor Heater Circuit Slow Response (Bank 1, Sensor 2). Find out what exactly this means, the symptoms and causes of the code P0139 and how to fix the malfunction.

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