What Is OBD And What Does It Do?

29 09 2011

Dale BertramOBD stands for on-board-diagnostics and if your vehicle was built in 1996 or after your car, SUV or light truck has this system.  It is your car’s built-in computer monitor. Its purpose is to monitor the major components of your vehicle’s engine including emission controls.  When there is a malfunction to the system, your dashboard illuminates the “check engine” light.

You know your OBD is working when you start your engine.  The “check engine” or “service engine soon” light will very briefly illuminate just so you know it is working.  If it comes on and stays on it is letting you know that something isn’t right so you can get it checked out before it becomes an expensive repair.  It could also be something simple like your gas cap needs to be tightened. Sometimes the light comes on and before you can get to a repair shop it goes off all by itself and doesn’t come back on.  This just lets you know that the system corrected the problem by itself.

A blinking check engine light means you need to get your vehicle serviced immediately.  The technician at your car care provider will use a hand-held scanning tool to diagnose the problem.  This is a very efficient method of testing your vehicle and it saves time and money.

OBD does a great job of letting consumers know when there is need of service and that, along with the tightening of the gas cap and regular service on your vehicle will save you time, money and keep our air cleaner.

Happy Motoring,







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