p1273

Maintenance/Repairs
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1

i replaced the catalytic converter, the (twice)MAF and the front O2 sensor…the check engine light turns on and gives out the p1273 code do i have to replace the rear O2 sensor

2

There was a service bulletin for the 2004 Nissan Maximas and Quests for this code. I’ve appended it below. I don’t know if there was a similar bulletin for your Altima (I don’t have access to it if there was).

MIL ON WITH DTC P0171/P0174/P1273/P1283 NTB04-025 2/19/2004

2004 MAXIMA AND QUEST (4AT & 6MT MODELS ONLY);

MIL ON P0171 / P0174 / P1273 / P1283

APPLIED VEHICLE: 2004 Maxima (A34) with 4-speed A/T and 6-speed M/T

2004 Quest (V42) with 4-speed A/T

NOTE: This bulletin does NOT apply to vehicles with 5-speed A/T. See NTB04-027.

IF YOU CONFIRM:

The following DTC code(s) are stored:

* DTC P0171/P1273

OR

* DTC P0174/P1283

NOTE: This bulletin does NOT apply if you have P0171 and P0174 together or you have

P1273 and P1283 together.

ACTIONS:

  1. Make sure the engine does not have any intake or exhaust leaks.

  2. Replace the Air/Fuel Sensor (if no intake or exhaust leaks are found).

    • Codes P0171 and/or P1273; replace Bank 1 sensor.
    • Code P0174 and/or P1283; replace Bank 2 sensor.

  3. If needed, reprogram the ECM (see the Service Procedure, step 3 on page 4).

IMPORTANT: The purpose of “ACTIONS” (above) is to give you a quick idea of the work

you will be performing. You MUST closely follow the entire Service Procedure (starting on

page 3) as it contains information that is essential to successfully completing this repair.

2/8

PARTS INFORMATION

DESCRIPTION PART # XXXXXXXX

Air Fuel Sensor (Bank 1 or Bank 2) 22693-7Y000 1

CLAIMS INFORMATION

Submit a Primary Failed Part (PP) line claim using the following claims coding:

DESCRIPTION PFP OP CODE SYM DIA FRT

RPL One Air/Fuel Ratio

Sensor

(1) DE53AA HD 32 (2)

(1) Reference the Parts Information table and use the indicated sensor P/Ns as the PFP.

(2) Reference the current Nissan Warranty Flat Rate Manual and use the indicated FRT.

AND, IF REQUIRED

DESCRIPTION PFP OP CODE SYM DIA FRT

Reprogram ECM per TSB DE98AA 0.8 hrs

3 
*  Air fuel ratio (A/F) sensor 1
* Air fuel ratio (A/F) sensor 1 heater
* Fuel pressure
* Fuel injector
* Intake air leaks

An A/F sensor is an oxygen sensor…