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Information Regarding Check Engine Light Tool

December 29th, 2011 Leave a comment Go to comments

The CarMD can be used for a variety of reasons. You can determine why your Check Engine light is on. You might want to check for potential problems before you leave on a long road trip. Or maybe you live in a state where they do state emissions “smog” tests. You can use it to check your vehicle out before you take it to get tested. If you are looking for a used car to purchase you can use the CarMD to check it out for potential problems before you buy it. CarMD can be taken to the car dealership and a diagnostic test can be run quickly on the used car. Even if the vehicle has been tampered with, a vehicle’s computer stores codes even if the Check Engine light wiring has been disconnected. CarMD will access these codes and display a red LED indicator if any are present. Also, if the seller has recently cleared the computer’s memory, the CarMD tool will indicate a possible problem with a yellow LED indicator. You can be rest assured that you will be able to determine the vehicle’s health before making a purchase.

On Board Diagnostics (OBD) is a universal program installed in a vehicle’s computer system. It is part of the US government’s mandate to help automotive manufactures lower their vehicle emissions. It is designed to detect malfunctions, set a diagnostic code (DTC) and turn on the Check Engine light when there is a problem. All 1996 or newer cars, light trucks, SUVs, and minivans manufactured or used in the US have the most advanced OBD, called the second-generation on-board diagnostics program (OBD2).

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