This Bluetooth dongle will diagnose your check engine light, and you can get it for 29% off in the Amazon Prime Day sales
Briefly

Car troubles can lead to long waits for repairs but having the right information can enable quick fixes. BlueDriver Pro OBDII Scan Tool helps diagnose issues using smartphones, priced at $85.
The tool connects to the car's OBD port, reads trouble codes, and provides live data about the car's systems. Its simplicity makes it user-friendly, requiring an app download, pairing with a smartphone, and plugging into the car.
Locating the car's OBD port is a common challenge, usually under the dashboard. BlueDriver's functionality can be demonstrated with a car that doesn't have problems, showcasing its diagnostic capabilities.
Read at ZDNET
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