Asked in Buick Century
Buick Century

Where is the EGR valve located on a 1998 buick century?


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With the hood open and you standing in front of the car looking at the engine wondering what it is you are looking for, take a peek at the northeast corner of the intake manifold. The EGR valve will have an electrical plug with wires coming out of toward the front of the engine. If you were to disconnect this plug you can look into the plug and see 5 pins, telling you that this is indeed the plug for the EGR valve.