AutoCodes – Chrysler – P0133 Chrysler

P0133 Chrysler Code - O2 Sensor Circuit Slow Response 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
P0133 Chrysler indicates O2 Sensor Circuit Slow Response 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 25,432
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 30, 2020
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Code P0133 Chrysler 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 P0133 Chrysler - O2 Sensor Circuit Slow Response Bank 1 Sensor 1 - AutoCodes.com
P0133 Chrysler Code - O2 Sensor Circuit Slow Response Bank 1 Sensor 1

What are the Possible Causes of the DTC P0133 Chrysler?

  • 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 P0133 Chrysler?

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 Chrysler 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 Chrysler 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 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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