The diagram in my service manual CD does not show or lable an "exhaust recirculation port". Could it be called something else? Or will it be obvious when I see it. Where would this port be found?

Also, is the idle air control valve the same thing as the "idle speed air port" shown in my manual. Will the hoses that need to be replaced be obvious or is my car a bit different than your model.

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1991 300CE Sportline
1983 300SD TurboDiesel (Gone but not forgotten)