Engine-CodesChrysler – P0133 Chrysler

P0133 Chrysler Code - O2 Sensor Circuit Slow Response Bank 1 Sensor 1

Quick Answer

The P0133 Chrysler code indicates that the O2 (oxygen) sensor in Bank 1 Sensor 1 is not responding as quickly as it should. Common causes include Faulty O2 sensor, Wiring or connector issues, Vacuum leaks. 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 Chrysler indicates O2 Sensor Circuit Slow Response Bank 1 Sensor 1.
Common causes
Common causes include Faulty O2 sensor, Wiring or connector issues, Vacuum leaks.
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 Aug 30, 2024
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Code P0133 Chrysler Description

The P0133 Chrysler code indicates that the O2 (oxygen) sensor in Bank 1 Sensor 1 is not responding as quickly as it should. The O2 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. A slow response from the O2 sensor can lead to inaccurate fuel trim adjustments, affecting engine performance, fuel efficiency, and emissions.

OBDII Code P0133 Chrysler - O2 Sensor Circuit Slow Response Bank 1 Sensor 1
P0133 Chrysler Code - O2 Sensor Circuit Slow Response Bank 1 Sensor 1

Common Causes of P0133 Chrysler

  1. Faulty O2 sensor
  2. Wiring or connector issues
  3. Vacuum leaks
  4. Exhaust leaks
  5. Engine coolant temperature sensor malfunction

Symptoms of P0133 Chrysler

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

How to Fix P0133 Chrysler

  1. Diagnose the O2 sensor using a scan tool to verify the code and sensor functionality.
  2. Inspect the wiring and connectors for any damage or corrosion, repairing or replacing as necessary.
  3. Check for vacuum leaks and repair them if found.
  4. Inspect the exhaust system for leaks and repair or replace damaged components.
  5. Test the engine coolant temperature sensor and replace if faulty.

Cost to Fix P0133 Chrysler

The cost of repairing a P0133 Chrysler code can vary depending on the specific cause of the issue. Generally, replacing an O2 sensor can cost between $100-$250, including parts and labor. Additional costs may incur if other components need to be repaired or replaced. It's recommended to consult with a trusted mechanic or auto repair shop for a more accurate estimate based on your vehicle's make and model.

Tech Notes for P0133 Chrysler

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

There is a Factory Service Bulletin for the 2005-2006 Chrysler 300:
2005-2006 Chrysler 300 Factory Service Bulletin OBDII Code P0133

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 Chrysler Code

1. What are the common symptoms of OBDII code P0133 in a Chrysler vehicle?

- Common symptoms include poor fuel economy, rough idling, hesitation during acceleration, and the illumination of the Check Engine Light.

2. What does the O2 Sensor Circuit Slow Response Bank 1 Sensor 1 code mean in a Chrysler?

- This code indicates that the upstream oxygen sensor in bank 1 is not responding as quickly as expected, causing a potential issue with the air-fuel mixture.

3. What are the possible causes of OBDII code P0133 in a Chrysler?

- The causes can include a faulty oxygen sensor, wiring issues in the oxygen sensor circuit, vacuum leaks, exhaust leaks, or a problem with the engine's air-fuel ratio.

4. How can I diagnose the O2 Sensor Circuit Slow Response Bank 1 Sensor 1 code in my Chrysler?

- Diagnosis typically involves checking the oxygen sensor's voltage readings, inspecting the sensor's wiring for damage, and looking for any leaks in the exhaust system.

5. Is it safe to continue driving with OBDII code P0133 in my Chrysler?

- While the vehicle may still be operational, driving with this code can lead to decreased fuel efficiency and potential long-term damage to the engine and catalytic converter.

6. Can I repair OBDII code P0133 in my Chrysler myself?

- Depending on your automotive skills, you may be able to replace the oxygen sensor or repair wiring issues yourself. However, it's recommended to consult a professional for accurate diagnosis and repair.

7. How much does it typically cost to fix O2 Sensor Circuit Slow Response Bank 1 Sensor 1 in a Chrysler?

- The cost can vary depending on the specific issue causing the code, but expect to pay anywhere from $100 to $300 for parts and labor at a repair shop.

8. Are there any tips to prevent OBDII code P0133 from recurring in my Chrysler?

- Regularly maintaining your vehicle, using quality fuel, and addressing any engine performance issues promptly can help prevent the reoccurrence of this code.

9. Will resetting the Check Engine Light clear the O2 Sensor Circuit Slow Response Bank 1 Sensor 1 code in my Chrysler?

- Resetting the light may temporarily turn it off, but if the underlying issue causing the code is not fixed, the Check Engine Light will likely come back on.

10. How long does it take to repair OBDII code P0133 in a Chrysler?

- The repair time can vary based on the root cause of the code, but typically, a skilled mechanic can resolve the issue within a few hours to a day.

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