Sorry, the web browser you're using is not supported by this website.

Please use Google Chrome, Firefox, Safari, or another browser to access homex.com. Thank you.

Skip to main content

We use cookies to enhance your experience. For details on how we use cookies, collect data, & how to manage your consent please see our Cookie Policy & Privacy Policy.

What causes high voltage on o2 sensor?

The ceramic bulb is powered by the difference in oxygen levels between the exhaust and the outside air within the sensor. Is this true? The computer leans the fuel mixture to reduce the O2 sensor's reading when it gets a rich signal from the O2 sensor.

Let's Get It Fixed!

HomeX virtual experts will assess your issue (for free!) and can resolve simple problems.

What Did You Think of This Article?

What Did You Think of This Article?

Shop Recommended ProductsShop HomeX Recommended Products