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A check engine light code is a code pulled from an on-board diagnostics scanner that determines the source of the problem in a vehicle. A local auto part store, auto repair shop or resources online can help locate the pr... More »

www.reference.com Vehicles Car Parts & Maintenance

Reset the check engine codes using a scan tool by attaching the tool to the OBD II diagnostic connector, reading and recording the codes, and pressing the erase button. Complete the process a few minutes. In some instanc... More »

www.reference.com Vehicles Car Parts & Maintenance

Do a hard reset of the check-engine light by disconnecting the battery, turning on the car lights and pressing the horn. Wait a few minutes, and reconnect the battery. This causes the check-engine light to go out tempora... More »

www.reference.com Vehicles Car Parts & Maintenance Engine
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The check engine light illuminates on a Mazda to indicate the powertrain control module has detected a problem in the engine or transmission of the vehicle. The powertrain control module is a computer that manages the ve... More »

www.reference.com Vehicles Car Parts & Maintenance

The best way to turn off the check engine light on a Nissan is to find out the engine code and have the problem fixed. The check engine light turns off automatically when the issue causing the light to turn on is resolve... More »

www.reference.com Vehicles Car Parts & Maintenance

In order to reset a check engine light on a KIA Sephia, the computer will need to be connected to a code reader so the problem can be accessed and repaired. The check engine light turns on when the engine control unit re... More »

www.reference.com Vehicles Car Parts & Maintenance

If the problem has been diagnosed and fixed but the check engine light is still on, either use an auto scan tool or simply disconnect and reconnect the battery. If there is still a problem with the engine, disconnecting ... More »

www.reference.com Vehicles Car Parts & Maintenance