You’re driving down the road and having a normal day behind the wheel of your car. You look down on the dashboard to check your gauges and speed, but you notice that a little orange “Check Engine” light has popped on. You know the one, the one we all love to hate, the one that immediately evokes a generally negative array of emotions. Fear, anger, frustration, and anxiety. You make an unplanned stop at your local garage for more bad news. The technician tells you that you have a faulty EGR valve. This is a common part that is shared by all vehicles, from a Honda Civic to a Ram 3500 with a Cummins Diesel. But what is an EGR valve?
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