P1167 Infiniti Code - Heated Rear Oxygen Sensor 2 Maximum Voltage Monitoring Bank 2
Quick Answer
The P1167 Infiniti code indicates an issue with the Heated Rear Oxygen Sensor 2 Maximum Voltage Monitoring Bank 2 in the vehicle's exhaust system. Common causes include Faulty heated rear oxygen sensor, Damaged wiring or connectors in the sensor circuit, Vacuum leak in the exhaust system. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1167 Infiniti indicates Heated Rear Oxygen Sensor 2 Maximum Voltage Monitoring Bank 2.
- Common causes
- Common causes include Faulty heated rear oxygen sensor, Damaged wiring or connectors in the sensor circuit, Vacuum leak in the exhaust system.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1167 Infiniti Description
The P1167 Infiniti code indicates an issue with the Heated Rear Oxygen Sensor 2 Maximum Voltage Monitoring Bank 2 in the vehicle's exhaust system. The heated rear oxygen sensor plays a crucial role in monitoring the oxygen levels in the exhaust gases, which helps the engine control module (ECM) adjust the air-fuel mixture for optimal combustion. Bank 2 refers to the side of the engine that does not contain cylinder 1. The maximum voltage monitoring aspect of the code suggests that the sensor is sending a signal indicating a voltage higher than expected.
Common Causes of P1167 Infiniti
- Faulty heated rear oxygen sensor
- Damaged wiring or connectors in the sensor circuit
- Vacuum leak in the exhaust system
- Issue with the ECM
- Exhaust system leak
Symptoms of P1167 Infiniti
- Decreased fuel efficiency
- Rough idling or stalling
- Hesitation during acceleration
- Failed emissions testing
- Check Engine Light illuminated
How to Fix P1167 Infiniti
- Use a diagnostic scanner to retrieve the specific error code and confirm the issue.
- Inspect the heated rear oxygen sensor 2 on Bank 2 for any visible damage or contamination.
- Check the wiring and connectors in the sensor circuit for any signs of damage or corrosion.
- Test the sensor's voltage output using a multimeter to determine if it is operating within specifications.
- Replace the heated rear oxygen sensor if it is found to be faulty or the wiring and connectors if they are damaged.
Cost to Fix P1167 Infiniti
The typical repair cost for addressing the P1167 Infiniti code can range from $150 to $300, depending on the exact cause of the issue and the parts needed for replacement. This estimate includes the cost of the heated rear oxygen sensor, labor charges, and any additional parts or materials required for the repair. Keep in mind that the actual cost may vary based on the location, vehicle make and model, and the labor rates of the auto repair shop. It is advisable to consult with a trusted mechanic or dealership for a more accurate estimate.
Tech Notes for P1167 Infiniti
When is the Code Detected?
Need more information about the P1167 Infiniti code?
Need more information on how to fix the P1167 Infiniti code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1167 Infiniti code diagnosed by a professional: Find a repair shop in your area
Information for Specific Infiniti Models
- P1167 2003 Infiniti G35 — Heated Rear Oxygen Sensor 2 Maximum Voltage Monitoring Bank 2
- P1167 2004 Infiniti G35 — Heated Rear Oxygen Sensor 2 Maximum Voltage Monitoring Bank 2
- P1167 2005 Infiniti G35 — Heated Rear Oxygen Sensor 2 Maximum Voltage Monitoring Bank 2
Frequently Asked Questions about P1167 Infiniti Code
No Frequently Asked Questions about P1167 Infiniti Code found.
Discuss the causes and fixes for P1167 Infiniti OBDII Code
Code P1167 Infiniti comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.