Ok.. day one, Full time Egr on. I have the vacuum gage hooked to the soleniod that opens a vacuum to pull the EGR open. and the Egr valve is hooked to a full time vacuum. Sooo,, I think it is on / open all the time. When I start the car cold, the egr soleniod opens and the vacuum gage goes up and down when I accelerate and off when I idle. This seems like it should work.
after about 60 seconds the vacuum gage goes to zero. and stays there for the whole trip. This is weird so I figure my EGR computer is broke. The egr gas is fed into the air filter so it gets mixed real good with fresh air. Engine is a little rough at idle but not real bad. On the road it might be running stronger but it is not worse. SC

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71 Super,83 RX7, 91 Saab, 94 Saab turbo conv, 94VolvoSW