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Home/Cars/Honda/Accord/8th Generation (2008-2012)/how to fix P0135 code on Honda Accord 10th Generation (2018-2022)

how to fix P0135 code on Honda Accord 10th Generation (2018-2022)

Honda Accord 8th Generation (2008-2012)

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

Problem Statement

Learn how to diagnose and fix P0135 oxygen sensor issue in Honda Accord 10th Generation. 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 the battery before working on electrical systems.
  • ⚠Allow the engine to cool before opening any components in the exhaust system.

Symptoms

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

Diagnostic Steps

  1. 1Scan for error codes using an OBD-II scanner to confirm the P0135 code.
  2. 2Inspect the wiring and connectors leading to the upstream oxygen sensor for damage or corrosion.
  3. 3Measure the resistance of the oxygen sensor heater circuit using a multimeter.
  4. 4Check the fuse for the oxygen sensor heater circuit to ensure it is not blown.
  5. 5Test the voltage supply to the oxygen sensor heater circuit with a multimeter.
  6. 6Inspect the oxygen sensor itself for any physical damage or contamination.

Solution

Solution

1. Preparation

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

2. Remove the Oxygen Sensor

  • Locate the upstream oxygen sensor on the exhaust manifold.
  • Use an oxygen sensor socket to carefully unscrew and remove the faulty oxygen sensor.
  • Inspect the thread for any debris or damage.

3. Install New Oxygen Sensor

  • Apply anti-seize compound to the threads of the new oxygen sensor (if applicable).
  • Screw in the new oxygen sensor by hand to avoid cross-threading.
  • Tighten to the manufacturer's specified torque (typically around 30-35 ft-lbs).

4. Reconnect Electrical Connections

  • Reconnect the electrical connector to the new oxygen sensor.
  • Ensure the connection is secure and free from corrosion.

5. Reconnect Battery

  • Reconnect the negative battery terminal securely.

6. Clear Error Codes

  • Use the OBD-II scanner to clear the P0135 code from the vehicle's computer.
  • Perform a test drive to ensure the code does not return.

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
  • •Multimeter
  • •Torque wrench
  • •Anti-seize compound

Parts Required

  • •New upstream oxygen sensor (OEM recommended)

Additional Information

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

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