where is the egr system in my 1993? I on 1993 Buick LeSabre

The car runs like it is running out of gas all the time, the check engine has been on forever but it was the oxygen sensor so I finally replaced it, then the plugs, but it still putts around town. Can you please help me. I am going to try and read the check engine lite myself.

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1 answer
ADVISE ME ON CODES YOU HAVE AND I WILL. EGR IS ON THE INTAKE MANIFOLD AT THE REAR OF ENG