AutoCodes – Infiniti – P0132 2004 Infiniti G35

P0132 2004 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 2004 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 4,497
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 2004 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 2004 Infiniti G35 - O2 Sensor Circuit High Bank 1 Sensor 1 - AutoCodes.com
P0132 2004 Infiniti G35 Code - O2 Sensor Circuit High Bank 1 Sensor 1

What are the Possible Causes of the DTC P0132 2004 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 2004 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 2004 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.

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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 2004 Infiniti G35 Code

1. What does OBDII code P0132 for a 2004 Infiniti G35 indicate?

- This code indicates a high voltage condition in the O2 sensor circuit of Bank 1 Sensor 1, which is located before the catalytic converter.

2. What are the common symptoms of O2 sensor circuit high voltage in Bank 1 Sensor 1?

- Common symptoms include poor fuel economy, rough idle, engine hesitation, and an illuminated check engine light.

3. What are the possible causes of OBDII code P0132 in a 2004 Infiniti G35?

- The most common causes include a faulty O2 sensor, damaged wiring or connectors in the sensor circuit, or an exhaust leak near the sensor.

4. How can I diagnose the high voltage issue in Bank 1 Sensor 1 of my Infiniti G35?

- Diagnose by checking the O2 sensor's voltage output with a multimeter, inspecting the sensor wiring for damage, and looking for exhaust leaks near the sensor.

5. Can a dirty or contaminated O2 sensor cause code P0132 in a 2004 Infiniti G35?

- Yes, a dirty or contaminated O2 sensor can cause inaccurate voltage readings and trigger code P0132. Cleaning or replacing the sensor may be necessary.

6. Is it safe to continue driving my Infiniti G35 with OBDII code P0132 present?

- It is generally safe to drive the vehicle with this code, but it should be addressed promptly to prevent potential damage to the catalytic converter and ensure optimal fuel efficiency.

7. How can I repair OBDII code P0132 in my 2004 Infiniti G35?

- Repair involves identifying and addressing the root cause, which may include replacing the O2 sensor, repairing damaged wiring, or fixing any exhaust leaks near the sensor.

8. Can I reset the check engine light after resolving O2 sensor circuit high voltage in Bank 1 Sensor 1?

- Yes, after repairing the issue, you can reset the check engine light using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes.

9. Will code P0132 clear on its own if the underlying issue is resolved in a 2004 Infiniti G35?

- In some cases, the code may clear on its own after a few successful drive cycles once the underlying issue is fixed. If not, manual clearing may be necessary.

10. How can I prevent OBDII code P0132 from recurring in my 2004 Infiniti G35?

- To prevent the code from recurring, perform regular maintenance on the O2 sensors, monitor the sensor readings periodically, and address any issues promptly to avoid further complications.

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