FAULTBASE
Error CodesASKCars
© 2025 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
Home/Cars/Toyota/Corolla/E210 (2019-2024)/how to fix P0133 oxygen sensor code in Toyota Corolla E210 (2019-2024)?

how to fix P0133 oxygen sensor code in Toyota Corolla E210 (2019-2024)?

Toyota Corolla E210 (2019-2024)

Error Codes
Severity: mediumDifficulty: mediumError Code: P01331-2 hours
3 min read
458 words

Problem Statement

Learn how to diagnose and fix P0133 oxygen sensor code in Toyota Corolla E210 (2019-2024). Step-by-step guide with diagnostic procedures and repair instructions.

Error Code
P0133
Affected Component
Exhaust System
Estimated Time
1-2 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical components.
  • ⚠Allow the exhaust system to cool before handling any parts.

Symptoms

  • •Check engine light illuminated
  • •Poor fuel economy
  • •Rough idle
  • •Increased exhaust emissions
  • •Engine stalling during acceleration

Diagnostic Steps

  1. 1Scan the vehicle using an OBD-II scanner to confirm the P0133 code and check for any other related codes.
  2. 2Inspect the electrical connector of the O2 sensor for corrosion, damage, or loose connections.
  3. 3Check the O2 sensor's wiring for signs of wear, fraying, or shorts to ground.
  4. 4Measure the voltage output of the O2 sensor using a multimeter while the engine is running to assess its response time.
  5. 5Inspect the exhaust system for leaks that could affect sensor readings.
  6. 6Check the fuel trim readings using the OBD-II scanner to see if they are within the normal range.

Solution

Solution

1. Preparation

  • Gather necessary tools and parts.
  • Disconnect the negative battery terminal to prevent electrical shock.
  • Allow the engine to cool before proceeding.

2. Remove the Old Oxygen Sensor

  • Use an O2 sensor socket or wrench to carefully unscrew the upstream O2 sensor from the exhaust manifold.
  • Disconnect the electrical connector of the sensor by pressing the release tab and pulling it apart.

3. Install the New Oxygen Sensor

  • Apply anti-seize compound to the threads of the new O2 sensor (if not pre-applied).
  • Screw the new oxygen sensor into the exhaust manifold by hand to avoid cross-threading, then tighten it securely with the O2 sensor socket (torque specification: typically around 30-40 lb-ft).
  • Reconnect the electrical connector until it clicks into place.

4. Reconnect Battery and Test

  • Reconnect the negative battery terminal.
  • Start the engine and allow it to reach operating temperature while monitoring the O2 sensor operation with a scan tool.

Verification

After completing the repair, verify that the issue has been resolved:

  • ✓Test the affected component to ensure it functions correctly
  • ✓Check for any error codes or warning lights
  • ✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • •OBD-II scanner
  • •Oxygen sensor socket or wrench
  • •Multimeter
  • •Torque wrench

Parts Required

  • •New upstream oxygen sensor

Additional Information

Error Code
P0133
Affected Component
Exhaust System
Estimated Time
1-2 hours
Difficulty
medium
Severity
medium
Tools Required
4 items
Parts Required
1 item

Related Faults

  1. Why might the Toyota Corolla E210's infotainment system frequently reboot?

    If the infotainment system in a Toyota Corolla E210 (2019-2024) frequently reboots, it can be due to several potential issues. Here's a detailed guide to diagnose and potentially resolve the problem:

  2. How do I troubleshoot a non-responsive keyless entry system in a 2023 Toyota Corolla E210?

    Learn how to troubleshoot a non-responsive keyless entry system in a 2023 Toyota Corolla E210 with this step-by-step guide.

    Electrical3 symptoms

  3. How do I fix a malfunctioning rearview camera in my 2019 Toyota Corolla E210?

    Diagnose and fix rearview camera issues in your 2019 Toyota Corolla E210 with this step-by-step guide. Ensure safety with a functional camera.

    Electrical4 symptoms

  4. What causes the air conditioning to blow warm air in a Toyota Corolla E210?

    When the air conditioning system in a Toyota Corolla E210 (2019-2024) blows warm air, it can be due to several potential issues. Here is a detailed guide to diagnose and resolve the problem:

  5. Why is the automatic emergency braking system not working in my 2021 Toyota Corolla E210?

    Diagnose and resolve automatic emergency braking issues in your 2021 Toyota Corolla E210 with this step-by-step guide.

    Brakes3 symptoms

  6. Why is my Toyota Corolla E210's check engine light blinking?

    A blinking check engine light in your Toyota Corolla E210 (2019-2024) typically indicates a severe engine misfire, which can potentially damage the catalytic converter. Immediate attention is required

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation