We may receive a commission on purchases made from links. While it may seem intimidating at first, there are plenty of easy DIY auto maintenance projects that even the most novice DIY-er can handle.

We earn commissions from purchases you make using links in our articles. Learn more. If your car experiences poor fuel economy, lacks power, feels sluggish, idles rough, or has an illuminated check ...

Replacing a faulty oxygen sensor typically costs between $200 and $500, depending on your vehicle type, sensor location and whether you choose DIY or professional installation. Replacing an oxygen (O2 ...