Monthly Archives: March 2021

What is an Oxygen Sensor?

What is an Oxygen Sensor?

Also known as an O2 sensor, an oxygen sensor is a vital component of your car's exhaust system. They keep track of the amount of oxygen in your car's exhaust gases as they exit the engine and into the atmosphere. This is mostly a test of efficiency to ensure that the catalytic converter is functioning well. Oxygen sensors monitor whether your engine's air-fuel mixture is too rich or lean, then drive the information to the engine's Powertrain Control Module. Consequently, your vehicle's PCM will make the necessary adjustments to maintain an ideal air-fuel balance in the engine. Given its importance, a failing oxygen sensor can disrupt the entire combustion process. Besides reduced engine performance, a faulty oxygen sensor can negatively impact environmental emissions. Thankfully, you can easily recognize the symptoms early enough to contact a certified technician before your sensors fail. Here are some of the signs of a failing oxygen sensor you cannot afford to ig ... read more

TOS Auto Repair is committed to ensuring effective communication and digital accessibility to all users. We are continually improving the user experience for everyone, and apply the relevant accessibility standards to achieve these goals. We welcome your feedback. Please call TOS Auto Repair (916) 348-1696 if you have any issues in accessing any area of our website.