Devices in this range can read a good range of OBD trouble codes and perform an emissions test. Under $60 : You can get a basic, efficient OBD2 scanner for around $60.Here’s what you can generally expect with each price range: However, the cheapest OBD2 scanners sometimes have hidden costs, such as the requirement that you pay a subscription to access advanced features.

Unless you’re a professional mechanic, you probably don’t need the costliest option. Many of these advanced features are really only useful to home mechanics who feel comfortable working on their own vehicles and are not intended for average drivers.Īn OBD2 scanner can cost anywhere from $30 to $500 dollars. While advanced scan tools can offer improvements and extra details on all of these features, they can also cost upwards of $200. Read fault codes yourself to determine the urgency of a check engine lightĪ low-cost, reliable OBD2 scanner can be purchased for $20 to $40.Confirm the mileage on a used car before purchase.Perform home emissions checks before a state inspection.Diagnose and perform minor maintenance on your own vehicle.You may want an OBD2 scan tool for several reasons, even if you aren’t a professional mechanic. These tools will display engine fault codes, the necessary starting point for diagnosing most modern automotive malfunctions. When a check engine light comes on, an OBD2 reader can help you get a general description of the issue.

OBD2 scanners have many functions, but the most basic is to “read” engine fault codes. An OBD2 scanner is a computer that connects with a car to communicate with that vehicle’s onboard computer.

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