AutoCodesNissan – P0133 2009 Nissan Sentra

P0133 2009 Nissan Sentra Code - Air Fuel Ratio Circuit Slow Response Bank 1 Sensor 1

Quick Answer

The Air Fuel Ratio (A/F) sensor is a planar dual-cell limit current sensor. Common causes include Faulty Air fuel ratio (A/F) sensor 1 bank 1, Air fuel ratio (A/F) sensor 1 bank 1 harness is open or shorted, Air fuel ratio (A/F) sensor 1 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
P0133 2009 Nissan Sentra indicates Air Fuel Ratio Circuit Slow Response Bank 1 Sensor 1.
Common causes
Common causes include Faulty Air fuel ratio (A/F) sensor 1 bank 1, Air fuel ratio (A/F) sensor 1 bank 1 harness is open or shorted, Air fuel ratio (A/F) sensor 1 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 2,334
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0133 2009 Nissan Sentra Description

The Air Fuel Ratio (A/F) sensor is a planar dual-cell limit current sensor. The sensor element of the A/F sensor is the combination of a Nernst concentration cell (sensor cell) with an oxygen-pump cell, which transports ions. It has a heater in the element.
The sensor is capable of precise measurement λ= 1, but also in the lean and rich range. Together with its control electronics, the sensor outputs a clear, continuous signal throughout a wide range (0.7 < λ < air).
The exhaust gas components diffuse through the diffusion gap at the electrode of the oxygen pump and Nernst concentration cell, where they are brought to thermodynamic balance. An electronic circuit controls the pump current through the oxygen pump cell so that the composition of the exhaust gas in the diffusion gap remains constant at λ = 1. Therefore, the A/F sensor is able to indicate air/fuel ratio by this pumping of current. In addition, a heater is integrated in the sensor to ensure the required operating temperature of 700 - 800°C (1,292 - 1,472°F).
OBDII Code P0133 2009 Nissan Sentra - Air Fuel Ratio Circuit Slow Response Bank 1 Sensor 1 - AutoCodes.com
P0133 2009 Nissan Sentra Code - Air Fuel Ratio Circuit Slow Response Bank 1 Sensor 1

What are the Possible Causes of the DTC P0133 2009 Nissan Sentra?

  • Faulty Air fuel ratio (A/F) sensor 1 bank 1
  • Air fuel ratio (A/F) sensor 1 bank 1 harness is open or shorted
  • Air fuel ratio (A/F) sensor 1 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 P0133 2009 Nissan Sentra?

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 P0133 2009 Nissan Sentra 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 P0133 2009 Nissan Sentra 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 P0133 2009 Nissan Sentra Code

1. What are the common symptoms of OBDII code P0133 on a 2009 Nissan Sentra?

- Common symptoms include poor fuel economy, rough idling, and hesitation during acceleration.

2. What does the OBDII code P0133 indicate in a 2009 Nissan Sentra?

- The code P0133 refers to a slow response from the air fuel ratio sensor located in Bank 1 Sensor 1 of the vehicle.

3. What are the possible causes of OBDII code P0133 on a 2009 Nissan Sentra?

- Potential causes include a faulty air fuel ratio sensor, wiring issues, exhaust leaks, or a malfunctioning engine control module.

4. How can I diagnose the cause of OBDII code P0133 on my 2009 Nissan Sentra?

- A thorough inspection of the air fuel ratio sensor, wiring connections, and exhaust system is recommended. Testing the sensor's response time may also help identify the issue.

5. Is it safe to continue driving my 2009 Nissan Sentra with OBDII code P0133?

- It is not recommended to ignore this code, as it can lead to further damage to the engine and emissions system. Prompt diagnosis and repair are advised.

6. Can I reset the OBDII code P0133 on my 2009 Nissan Sentra using a diagnostic tool?

- Resetting the code may temporarily clear the warning light, but it will not fix the underlying issue causing the code to appear. Proper diagnosis and repair are necessary.

7. How much does it typically cost to repair OBDII code P0133 on a 2009 Nissan Sentra?

- The cost of repair can vary depending on the cause of the issue. Replacing the air fuel ratio sensor or repairing wiring may cost between $100 to $300, excluding labor.

8. Are there any DIY repair tips for addressing OBDII code P0133 on a 2009 Nissan Sentra?

- DIY enthusiasts with automotive experience may attempt to replace the air fuel ratio sensor or check for loose or damaged wiring connections as potential fixes.

9. How often does OBDII code P0133 occur in a 2009 Nissan Sentra?

- The frequency of this code can vary, but it is not uncommon in vehicles with higher mileage or those exposed to harsh driving conditions.

10. Can a clogged catalytic converter trigger OBDII code P0133 in a 2009 Nissan Sentra?

- A clogged catalytic converter can indirectly cause a slow response from the air fuel ratio sensor, leading to the appearance of OBDII code P0133.

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