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P1167 2003 Infiniti G35 Code - Heated Rear Oxygen Sensor 2 Maximum Voltage Monitoring Bank 2

- Code Popularity: 3,935 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P1167 2003 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 Heated Rear Oxygen Sensor Bank 2
  • Heated Rear Oxygen Sensor Bank 2 harness is open or shorted
  • Heated Rear Oxygen Sensor Bank 2 circuit poor electrical connection
  • Fuel pressure
  • Injectors
  • Intake air leaks
⚠ Does your Infiniti have Safety Recalls? → Check here

How to Fix the DTC P1167 2003 Infiniti G35?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

Replacing the Rear Oxygen (O2) Sensor usually takes care of the problem

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1167 2003 Infiniti G35 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

When is the Code Detected?

The P1167 code is triggered when the maximum voltage from the sensor is not reached to the specified voltage.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Higher fuel consumption
  • Excessive exhaust smoke

Code P1167 2003 Infiniti G35 Description

The heated oxygen sensor 2 (rear), after three way catalyst, monitors the oxygen level in the exhaust gas on each bank. Even if switching characteristics of the heated oxygen sensor 1 (front) are shifted, the air fuel ratio is controlled to stoichiometric, by the signal from the heated oxygen sensor 2. This sensor is made of ceramic zirconia. The zirconia generates voltage from approximately 1V in richer conditions to 0V in leaner conditions. Under normal conditions the heated oxygen sensor 2 is not used for engine control operation.

OBDII Code P1167 2003 Infiniti G35 - Heated Rear Oxygen Sensor 2 Maximum Voltage Monitoring Bank 2 - AutoCodes.com
P1167 2003 Infiniti G35 Code - Heated Rear Oxygen Sensor 2 Maximum Voltage Monitoring Bank 2

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