OBD-II is an on-board computer that monitors data about your car. The Check Engine light, which illuminates when the computer detects a problem.
Although OBD-1 and OBD-II do the same thing, there are some differences between the two. In contrast, The interface on each one is different. OBD-1 has an interface that is specific to each manufacturer while OBD-II has a universal interface, making it easier to connect to OBD-II to communicate with the diagnostic system.
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So, OBD-II is an on-board computer that monitors emissions, mileage, speed, and other data about your car. Consequently, It’s connected to the Check Engine light, which illuminates when the computer detects a problem.
Also, The OBD-II on-board computer features a 16-pin port located under the driver’s side dash. As a result, It allows a mechanic or anyone else to read the error code using a special scan tool.
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