Chevrolet Oxygen Sensors

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Here are a few of our oxygen sensors for your Chevrolet.
Please use the dropdown above to browse our complete catalog.

Click to Enlarge Denso Oxygen Sensor Retail Price: $54.76 Your Price: $18.95 Quantity: Part Number: W0133-1627865 Product Remark: OE Type Availability: In Stock OEM This Product Fits the Following: Vehicle Sub Model • 1985 Chevrolet Spectrum Base  • 1986 Chevrolet Spectrum Base  • 1987 Chevrolet Spectrum   • 1988 Chevrolet Spectrum

Click to Enlarge Delphi Oxygen Sensor Retail Price: $72.23 Your Price: $40.95 Quantity: Part Number: W0133-1625599 Availability: In Stock OEM This Product Fits the Following: Vehicle Engine • 1985 Chevrolet K20 4.3L V6

What is an Oxygen or O2 sensor and how does it work with my Chevrolet?

If you own a car that was built after 1980; then you will have one or more o2 sensors or oxygen sensors on your vehicle. A car normally runs on gasoline, and burns that gasoline when mixed with oxygen during operation. The hydrogen and carbon residue is a ratio depending on which type of gasoline you put in your tank. The o2 sensor simply measures if the car is running to rich (fuel left over after burning) or too lean (too much air which produces more nitrogen-oxide and is worse for the environment, your engine and converters), and tells your cars computer either an OBDI - On Board Diagnostic I normally pre 1996 or OBDII On Board Diagnostic II post 1996 computer to makes adjustments for your car to run richer or leaner. Thus, finding the right ratio for clean and efficient operation of your vehicle. When your sensor fails, the car no longer runs optimally and basically your computers "assumes" or "guesses" the best ration and causes premature failure of the catalytic converters, poor gas mileage and polluting of the environment.

When you look to Oxygen Geek you can feel confident that whether you need an o2 sensor or a Air Fuel Ratio Sensor - you have come to the place where consumers, repair shops, auto parts store and even new car dealerships come to purchase o2 sensors. We carry a full line of SNG, Bosch, Walker, Denso, Standard and NTK.

All of our Chevrolet Oxygen Sensors come with a full 12-month warranty to give you piece of mind that your o2 sensor is backed by our world famous warrant and we can help guide you for the correct brand for the correct fit the first time you buy.

Where are your oxygen sensors and how many do you have?

Normally your oxygen sensors are threaded into a port in your exhaust manifold and/or pipes before and after your catalytic converter. You may have 1 - 4 o2 sensors on your vehicle, so find out if you need to replace all or just one.

Why should you change your oxygen sensor(s)?

Replace a faulty or broken sensor or connector

Improve your gas mileage

Get that check engine light turned off

If you have over 100,000 miles on your vehicle - now might be a great time to improve your cars performance and fuel economy

Makes your car run cleaner; which means a greener planet for us all

Universal, Direct Fit, Air Fuel Ratio Sensors... What do I need and what is the difference?

A Direct Fit O2 Sensor simply means a unit that replaces your genuine one currently in your car by unplugging at the connector and unscrewing it at the input hole, and simply plugging this in and threading the sensor into the input hole.

A Universal (for handier repair people) O2 sensor means a unit that also replaces your current unit, but that you will need to cut your plug off of your existing unit on your car and splice the new one in with the provided quick connects and then screw the unit in and plug the newly spliced unit in as well. This is why these units are generally so much cheaper.

Air Fuel Ratio Sensor Mostly found on Toyota and Honda vehicles. An AFRS looks and functions similarly to an Oxygen sensor, but the internal components are different. The air/fuel ratio sensor, is generally installed in the exhaust manifold and detects the degree of the exhaust gas (air/fuel) ratio. Based on signals from the air/fuel ratio sensor, the engine ECU controls the air/fuel ratio in the combustion chamber (air/fuel ratio feedback control). If your sensor on your vehicle starts with a 89467 it is an AFRS, if it starts with a 89465 - it is an O2 sensor.

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