04 murano location of bank 1 and 2 sensors

Question

Throwing codes 1031 1051 1148 1168 need possible causes and location of Bank one and two sensors

Answer 1

P1031 A/F Sensor 1 heater

P1051 A/F Sensor 1 heater

P1148 Closed loop control

P1168 Closed loop control

These codes are just for the upstream A/F sensor (reffered to as 02 sensor).You may not even need any sensor, Nissan has a TSB about this code condition where a reprogram is required. Here a small TSB bulletin that applies to you.

Classification:
EC04-020

Reference:
NTB-070

Date:
June 7, 2004

2004 MURANO; MIL "ON" WITH DTC P1031, P1051, P1148, P1168 A/F SENSOR HEATER / CLOSED LOOP

APPLIED VEHICLES:
2004 Murano (Z50)

IF YOU CONFIRM:

A MIL "ON" with the following DTC(s) stored:

^	P1031/P1051 (A/F Sensor Heater), and/or
^	P1148/P1168 (A/F Sensor Closed Loop Control),

ACTIONS:

A.	Confirm this bulletin applies: ^ Check the Current ECM Part Number. ^ Compare your Current ECM Part Number to Chart A. If that part number does not match one in Chart A, this bulletin does not apply. Go back to ASIST for further diagnostic and repair information.
B.	Reprogram the ECM.
C.	Perform A/F Sensor test to confirm proper air fuel operation