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Home/Cars/Toyota/Corolla/E210 (2019-2024)/how to fix P0135 oxygen sensor issue in my Toyota Corolla E210 (2019-2024)

how to fix P0135 oxygen sensor issue in my Toyota Corolla E210 (2019-2024)

Toyota Corolla E210 (2019-2024)

Error Codes
Severity: mediumDifficulty: mediumError Code: P01351-2 hours
3 min read
475 words

Problem Statement

Learn how to diagnose and fix P0135 oxygen sensor issue in Toyota Corolla E210. Step-by-step guide with diagnostic procedures and repair instructions.

Error Code
P0135
Affected Component
Exhaust System
Estimated Time
1-2 hours

Safety Warnings

  • ⚠Disconnect battery before working on electrical systems.
  • ⚠Allow engine to cool before opening the exhaust system.

Symptoms

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

Diagnostic Steps

  1. 1Scan for error codes using an OBD-II scanner to confirm P0135 and check for other related codes.
  2. 2Inspect the oxygen sensor wiring and connectors for damage, corrosion, or loose connections.
  3. 3Measure the voltage at the oxygen sensor using a multimeter to check for proper operation.
  4. 4Check the vehicle’s fuse box for any blown fuses related to the oxygen sensor circuit.
  5. 5Verify the operation of the engine coolant temperature sensor as it may affect the oxygen sensor's performance.

Solution

Solution

1. Preparation

  • Gather all necessary tools and parts.
  • Disconnect the negative battery terminal to prevent electrical shorts.
  • Allow the vehicle to cool down before working on the exhaust system.

2. Remove the Oxygen Sensor

  • Locate the oxygen sensor, typically found in the exhaust manifold or downpipe.
  • Use a suitable socket (usually a 22mm oxygen sensor socket) to carefully unscrew the sensor.
  • Disconnect the electrical connector from the sensor.

3. Inspect and Clean

  • Inspect the sensor's threads for damage; clean the area around the sensor with a wire brush if necessary.
  • Check the connectors for corrosion or damage. Clean them with electrical contact cleaner if needed.

4. Install New Oxygen Sensor

  • Apply anti-seize compound to the threads of the new oxygen sensor (avoid getting it on the sensor tip).
  • Install the new oxygen sensor by screwing it into place, and tighten it to the manufacturer's specifications (usually around 30-35 lb-ft).
  • Reconnect the electrical connector securely.

5. Reconnect Battery and Test

  • Reconnect the negative battery terminal.
  • Start the engine and let it idle.
  • Monitor the engine for any unusual sounds or issues.

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
  • •Multimeter
  • •Oxygen sensor socket (22mm)
  • •Ratchet and extensions
  • •Wire brush
  • •Electrical contact cleaner

Parts Required

  • •New oxygen sensor (specific to the vehicle)
  • •Anti-seize compound (if not included with sensor)

Additional Information

Error Code
P0135
Affected Component
Exhaust System
Estimated Time
1-2 hours
Difficulty
medium
Severity
medium
Tools Required
6 items
Parts Required
2 items

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