how to remove oxygen sensor

After an engine’s oxygen sensor fails, it can affect the normal use of the vehicle. Many car owners are curious about how to remove the oxygen sensor.

how to remove oxygen sensor

  1. Prepare a special set of tools.
  2. Unloosen and disconnect the connection between the oxygen sensor and the connector.
  3. Use a special set of tools to remove the oxygen sensor from above the front exhaust pipe.

What is the impact of an oxygen sensor malfunction


The process of removing the oxygen sensor is simple. First, prepare a special set of tools. Then unloosen and disconnect the connection between the oxygen sensor and the connector. Finally, use a special set of tools to remove the oxygen sensor from above the front exhaust pipe. It’s important to protect the sensor’s wiring and body during the removal process to avoid damage.

When an oxygen sensor malfunctions, there will be a lot of carbon deposits in the engine of the car, and black smoke will come out of the exhaust pipe. Drivers may feel that their car has low power and may burn out the resistor of the heater while driving.

how to remove oxygen sensor should be paid to the following two points


1.Preventing static electricity: since the internal wiring of the oxygen sensor is very sensitive to static electricity, static electricity should be avoided during the removal and installation process. You can wear anti-static wristbands or lay anti-static mat on the ground to reduce the risk of static electricity.
2.Ensuring safety: during the operation, safety must be ensured. Avoid using inappropriate tools or force during the removal and installation process to avoid vehicle accidents or damage to the sensor.

Detailed analysis of the phenomenon of oxygen sensor failure

  1. The ECU of the vehicle cannot receive information about the oxygen concentration in the exhaust pipe, which results in an unstable idle speed, breathing, and lack of spark in the engine.
  2. The correct state of the three-way catalytic converter cannot be judged, which can lead to exceed the emission standard of the vehicle and even damage the three-way catalytic converter.

Delphi RE94 25325359 O2 Lambda Probe Oxygen Sensor Installation Guide

What is a Delphi RE94 25325359 O2 Lambda Probe Oxygen Sensor?


A Delphi RE94 25325359 O2 Lambda Probe Oxygen Sensor is a vital component in your vehicle’s exhaust system. It is designed to measure the oxygen concentration in the exhaust gas, which helps the engine control module to adjust the fuel-to-air ratio. This ensures optimal engine performance, increased fuel efficiency, and reduced emissions. This sensor is a direct replacement for the original equipment manufacturer (OEM) part, providing the same level of performance and reliability.

Delphi RE94 25325359 O2 Lambda Probe Oxygen Sensor

Delphi RE94 25325359 O2 Lambda Probe Oxygen Sensor Installation Process:


Installation of the Delphi RE94 25325359 O2 Lambda Probe Oxygen Sensor is relatively straightforward and can be done by a mechanically inclined individual. However, if you are not confident in your abilities, it is always recommended to consult a professional mechanic. The installation process typically involves the following steps:

  1. Locate the existing O2 sensor in your vehicle’s exhaust system.
  2. Disconnect the wiring harness from the sensor.
  3. Remove the original sensor, making sure to disconnect any additional components if necessary.
  4. Insert the Delphi RE94 25325359 O2 Lambda Probe Oxygen Sensor in the same position as the original sensor.
  5. Reconnect the wiring harness and any additional components, if applicable.
  6. Tighten all fasteners to ensure a secure fit.
  7. Start the engine and check for any error codes or issues. If any arise, consult a professional mechanic to resolve the problem.

25325359 O2 Lambda Probe Oxygen Sensor

Linear:4 Wire
Measuring Range:For Delphi RE94 Changan DongFeng Jingbei Jac
OEM NO.:25325359 S3612300 1086000727 SMD250480 3603600-E07

Delphi RE94 25325359 O2 Lambda Probe Oxygen Sensor is designed to fit specific applications and engine sizes, and should be selected based on the make, model, and year of your vehicle.