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P0141 Diagnostic Trouble Code Discussion for December 2006

Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Performance

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Trouble Ticket Help Requests for DTC P0141
Help Request Posted
2001 Infiniti QX4 3.5L MIL Lamp on VIN: JNRDR09Y31
P0141: Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction. Hi This infinity has a p0141. bk 1 sen 2 O2 heater code.I checked for current through sensor but showed none. I also checked bank 2 sen 2 and had no current.bank 1 and 2 sensor 1 both had app 1.5 amps. So my problem is with both rear O2's. The heater circuit h...
December 13, 2006