Engine-Codes - Infiniti - P1168 2004 INFINITI G35

P1168 2004 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 2004 INFINITI G35 Possible Causes

  • Faulty Heated Oxygen Sensor 1 Bank 2
  • Heated Oxygen Sensor 1 Bank 2 harness is open or shorted
  • Heated Oxygen Sensor 1 Bank 2 circuit poor electrical connection

How is the P1168 2004 INFINITI G35 code repair?

Start by checking 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 2004 Infiniti G35:
2004 Infiniti G35 Factory Service Bulletin OBDII Code P1168

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

What is the cost to diagnose the P1168 2004 INFINITI G35 code

Labor: 1.0

The cost to diagnose the P1168 2004 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 2004 INFINITI G35 Meaning

The Engine Control Module (ECM) performs ON/OFF duty control of the Heated Oxygen Sensor 1 heater corresponding to the engine operating condition to keep the temperature of Heated Oxygen Sensor 1 element at the specified range.

More Information

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