Get a head start on the issue before you visit the mechanic

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We researched the options and here are our recommendations for diagnosing problems before scheduling a trip to the mechanic.

Close-up of person using a car code readers to run diagnostics

Photo:Mihajlo Maricic / Getty Images

Note: Prices are subject to change.

And a three-year warranty means you might rest easy choosing this scanner.

Over 50,000 Amazon purchasers have rated this product, giving it an average 4.6 out of 5 stars.

ANCEL Classic Enhanced Universal OBD II Scanner

PHOTO: Amazon

As for pricing, remember the features you should probably get the best value for your money.

verify you choose a model that’s compatible with your particular car.

FAQ

OBD2car code readerswill work on all cars with onboard diagnostic software.

BlueDriver Bluetooth Pro OBDII Scan Tool

PHOTO: Amazon

OBD2 is a universal interface in most cars introduced in the 1980s.

Almost all newer cars will support it.