AutoCodes – Infiniti – P0132 2003 Infiniti G35

P0132 2003 Infiniti G35 Code - O2 Sensor Circuit High Bank 1 Sensor 1

Quick Answer

The front heated oxygen sensor (or O2 sensor 1) is placed into the exhaust manifold. Common causes include Faulty Front Heated Oxygen Sensor Bank 1, Front Heated Oxygen Sensor Bank 1 harness is open or shorted, Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
P0132 2003 Infiniti G35 indicates O2 Sensor Circuit High Bank 1 Sensor 1.
Common causes
Common causes include Faulty Front Heated Oxygen Sensor Bank 1, Front Heated Oxygen Sensor Bank 1 harness is open or shorted, Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection.
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
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Code Popularity 9,508
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 01, 2024
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Code P0132 2003 Infiniti G35 Description

The front heated oxygen sensor (or O2 sensor 1) is placed into the exhaust manifold. It detects the amount of oxygen in the exhaust gas compared to the outside air. The heated oxygen sensor 1 has a closed-end tube made of ceramic zirconia. The zirconia generates voltage from approximately 1V in richer conditions to 0V in leaner conditions. The heated oxygen sensor 1 signal is sent to the Engine Control Module (ECM). The ECM adjusts the injection pulse duration to achieve the ideal air-fuel ratio. The ideal air-fuel ratio occurs near the radical change from 1V to 0V.
OBDII Code P0132 2003 Infiniti G35 - O2 Sensor Circuit High Bank 1 Sensor 1 - AutoCodes.com
P0132 2003 Infiniti G35 Code - O2 Sensor Circuit High Bank 1 Sensor 1

What are the Possible Causes of the DTC P0132 2003 Infiniti G35?

  • Faulty Front Heated Oxygen Sensor Bank 1
  • Front Heated Oxygen Sensor Bank 1 harness is open or shorted
  • Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection
  • Inappropriate fuel pressure
  • Faulty fuel injectors
  • Intake air leaks may be faulty
  • Exhaust gas leaks

How to Fix the DTC P0132 2003 Infiniti G35?

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

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0132 2003 Infiniti G35 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0132 2003 Infiniti G35 code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0132 2003 Infiniti G35 Code

1. What does the OBDII code P0132 on a 2003 Infiniti G35 mean?

- The code P0132 indicates an issue with the O2 sensor circuit high voltage for Bank 1 Sensor 1 in the exhaust system.

2. What are the common symptoms associated with OBDII code P0132 on a 2003 Infiniti G35?

- Common symptoms include poor fuel efficiency, rough idling, engine hesitation, and illuminated Check Engine Light.

3. What are the possible causes of OBDII code P0132 on a 2003 Infiniti G35?

- The code can be triggered by a faulty O2 sensor, damaged wiring or connectors, exhaust leaks, or issues with the engine's air-fuel mixture.

4. How can I diagnose the O2 sensor circuit high voltage issue (P0132) on a 2003 Infiniti G35?

- Use an OBDII scanner to read the fault code, visually inspect the wiring and connectors, perform voltage tests on the O2 sensor, and check for exhaust leaks.

5. Can I continue driving my 2003 Infiniti G35 with the OBDII code P0132 present?

- It is not recommended to drive the vehicle with a P0132 code as it can lead to poor engine performance and potential damage if left unresolved.

6. How can I repair the OBDII code P0132 on a 2003 Infiniti G35?

- Repair options include replacing the Bank 1 Sensor 1 O2 sensor, repairing damaged wiring, fixing exhaust leaks, and resetting the Check Engine Light.

7. Is it possible to reset the Check Engine Light after repairing the OBDII code P0132 on a 2003 Infiniti G35?

- Yes, you can reset the Check Engine Light using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes.

8. Are there any DIY tips for troubleshooting the O2 sensor circuit high voltage issue on a 2003 Infiniti G35?

- DIY tips include checking for loose or damaged wiring, ensuring proper sensor connections, and performing a visual inspection of the exhaust system.

9. How crucial is it to address the OBDII code P0132 promptly on a 2003 Infiniti G35?

- Promptly addressing the P0132 code is important to prevent further damage to the engine, ensure optimal fuel efficiency, and maintain overall vehicle performance.

10. Can a mechanic help diagnose and repair the O2 sensor circuit high voltage issue (P0132) on a 2003 Infiniti G35?

- Yes, a qualified mechanic can diagnose the issue using specialized tools, perform necessary repairs, and reset the Check Engine Light to resolve the P0132 code.

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