Engine-Codes - Infiniti - P1168 2005 INFINITI G35

P1168 2005 INFINITI G35 - Closed Loop Control Function Bank 2

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What is this?
Table of contents

P1168 2005 INFINITI G35 Possible Causes

  • Faulty Air Fuel Ratio Sensor 1 Bank 2
  • Air Fuel Ratio Sensor 1 Bank 2 harness is open or shorted
  • Air Fuel Ratio Sensor 1 Bank 2 circuit poor electrical connection

How do I fix code P1168 2005 INFINITI G35

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Tech Notes

There is a factory service bulletin for the following Infiniti models:

2004-2005 Infiniti G35
Infiniti Factory Service Bulletin OBDII Code P1168

The bulletin suggests reprogramming the Engine Control Module (ECM) first before replacing any parts.

Cost of diagnosing the P1168 2005 INFINITI G35 code

Labor: 1.0

The cost of diagnosing the P1168 2005 INFINITI G35 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

When is the code detected?

The closed loop control function for bank 1 does not operate even when vehicle is driving in the specified condition, the closed loop control function for bank 2 does not operate even when
vehicle is driving in the specified condition.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1168 2005 INFINITI G35 Meaning

The Engine Control Module (ECM) performs ON/OFF duty control of the Air Fuel Ratio (A/F) heater corresponding to the engine operating condition to keep the temperature of Air Fuel Ratio (A/F) element at the specified range.

P1168 2005 INFINITI G35 More Information

Need more information on how to fix the P1168 2005 INFINITI G35 code?
Get Access to Factory Service Manuals

Need more help?

Get the P1168 2005 Infiniti G35 code diagnosed by a professional: Find a repair shop in your area