Engine-CodesInfiniti – P0133 2004 Infiniti G35

P0133 2004 Infiniti G35 Code - O2 Sensor Circuit Slow Response Bank 1 Sensor 1

Quick Answer

The P0133 code for a 2004 Infiniti G35 indicates a problem with the O2 sensor circuit for Bank 1 Sensor 1. Common causes include Faulty O2 sensor, Wiring or connector issues in the O2 sensor circuit, Exhaust leaks near the O2 sensor. 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
P0133 2004 Infiniti G35 indicates O2 Sensor Circuit Slow Response Bank 1 Sensor 1.
Common causes
Common causes include Faulty O2 sensor, Wiring or connector issues in the O2 sensor circuit, Exhaust leaks near the O2 sensor.
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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0133 2004 Infiniti G35 Description

The P0133 code for a 2004 Infiniti G35 indicates a problem with the O2 sensor circuit for Bank 1 Sensor 1. The O2 sensor, or oxygen sensor, plays a crucial role in monitoring the oxygen levels in the exhaust gases and providing feedback to the engine control module (ECM) to adjust the air-fuel mixture for optimal combustion efficiency. Bank 1 Sensor 1 refers to the O2 sensor located in the exhaust manifold before the catalytic converter.

OBDII Code P0133 2004 Infiniti G35 - O2 Sensor Circuit Slow Response Bank 1 Sensor 1
P0133 2004 Infiniti G35 Code - O2 Sensor Circuit Slow Response Bank 1 Sensor 1

Common Causes of P0133 2004 Infiniti G35

  1. Faulty O2 sensor
  2. Wiring or connector issues in the O2 sensor circuit
  3. Exhaust leaks near the O2 sensor
  4. Vacuum leaks in the intake system
  5. Engine misfires or rich/lean fuel mixture conditions

Symptoms of P0133 2004 Infiniti G35

  1. Decreased fuel efficiency
  2. Rough idling or stalling
  3. Check Engine Light illuminated
  4. Poor acceleration or engine hesitation
  5. Increased emissions output

How to Fix P0133 2004 Infiniti G35

  1. Diagnose the O2 sensor circuit using a scan tool to confirm the P0133 code and identify any other related codes.
  2. Inspect the wiring and connectors for damage or corrosion and repair or replace as needed.
  3. Check for exhaust leaks near the O2 sensor and repair any leaks found.
  4. Test the O2 sensor for proper operation and replace if necessary.
  5. Clear the trouble codes and drive the vehicle to verify that the issue has been resolved.

Cost to Fix P0133 2004 Infiniti G35

The typical repair costs for resolving a P0133 code on a 2004 Infiniti G35 can range from $150 to $400, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Labor rates typically range between $80 and $150 per hour, with rates potentially higher in metropolitan areas or at dealerships, and lower at independent shops. For a more accurate estimate, it's recommended to check with local auto repair shops.

Tech Notes for P0133 2004 Infiniti G35

Replacing the Front Heated Oxygen Sensor Bank 1 usually takes care of the problem.



For Infiniti models 2005 and up see: P0133 Infiniti

When is the Code Detected?

The response of the voltage signal from the sensor takes more than the specified time.

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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 P0133 2004 Infiniti G35 Code

1. What does OBDII code P0133 for a 2004 Infiniti G35 mean?

- The code P0133 indicates a slow response from the O2 sensor located in Bank 1 Sensor 1 of the exhaust system.

2. What are the common symptoms of O2 sensor circuit slow response in a 2004 Infiniti G35?

- Common symptoms include poor fuel efficiency, rough idling, and potentially increased emissions.

3. What are the possible causes of OBDII code P0133 in a 2004 Infiniti G35?

- Causes may include a faulty O2 sensor, wiring issues, exhaust leaks, or a problem with the engine's air-fuel mixture.

4. How can I diagnose the O2 sensor circuit slow response issue in my 2004 Infiniti G35?

- To diagnose the problem, you can use a scan tool to monitor O2 sensor data, visually inspect wiring connections, and check for exhaust leaks.

5. Can driving with OBDII code P0133 in a 2004 Infiniti G35 cause further damage?

- While driving with this code may not immediately harm your vehicle, it can lead to decreased fuel efficiency and potential long-term engine issues if left unresolved.

6. How can I repair the O2 sensor circuit slow response problem in my 2004 Infiniti G35?

- Repair may involve replacing the O2 sensor, repairing or replacing damaged wiring, fixing exhaust leaks, or addressing any underlying engine issues.

7. Is it safe to drive my 2004 Infiniti G35 with a P0133 trouble code?

- It is generally safe to drive your vehicle with this code, but it is recommended to address the issue promptly to prevent further problems.

8. How much does it typically cost to repair the O2 sensor circuit slow response in a 2004 Infiniti G35?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.

9. Can I reset the OBDII code P0133 in my 2004 Infiniti G35 on my own?

- Yes, you can reset the code using an OBDII scanner or by disconnecting the car's battery for a few minutes. However, the underlying issue should still be addressed.

10. How often should the O2 sensor in a 2004 Infiniti G35 be replaced to prevent O2 sensor circuit slow response issues?

- O2 sensors typically last around 100,000 to 150,000 miles, but it's a good idea to follow the manufacturer's recommended maintenance schedule for replacement to avoid issues.

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