Engine-Codes - Infiniti - P1168 2005 Infiniti G35

P1168 2005 Infiniti G35 Code - Closed Loop Control Function Bank 2

- Code Popularity: 5,147 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P1168 2005 Infiniti G35?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other 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

Code Tech Notes

There is a Factory Service Bulletin for the 2005 Infiniti G35:
2005 Infiniti G35 Factory Service Bulletin OBDII Code P1168

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

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How to Fix the DTC 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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1168 2005 Infiniti G35 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair 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.

What are Code Possible Symptoms?

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

What Does the P1168 2005 Infiniti G35 Code Mean?

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 Code - Closed Loop Control Function Bank 2

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