honda Workshop Repair Guides

Honda Workshop Service and Repair Manuals

Oxygen Sensor Heater|Page 3073 > < Oxygen Sensor Heater|Page 3071
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Heated Oxygen Sensor: Testing and Inspection
Secondary

[P0137] 

The scan tool indicates Diagnostic Trouble Code (DTC) PO137: A low voltage problem in the Secondary Heated Oxygen Sensor
(Secondary HO2S) (Sensor 2) circuit.

Oxygen Sensor Heater|Page 3073 > < Oxygen Sensor Heater|Page 3071