Engine Controls - MIL ON/DTCs P1031/P1051/P1138/P1168: Overview

Classification:
EC04-021

Reference:
NTB04-072

Date:
June 15, 2004

2004 350Z; MIL "ON" WITH DTC P1031, P1051, P1148, P1168 A/F SENSOR HEATER / CLOSED LOOP

APPLIED VEHICLES:
2004 350Z (Z33)

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.

IMPORTANT:
The purpose of "ACTION" (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire Service Procedure as it contains information that is essential to successfully completing this repair.





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