Don't know exactly how EGR affects FE in gasser (haven't tested it) but in my TD by mistake I was driving for 2 tanks with EGR constantly closed, after fixing vacuum lines for egr valve I've noticed noticeable increase of FE. So IMHO it's worth to try to fix it if you can find some used cheap parts.
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Quote:
Gerhard Plattner: "The best attitude is to consider fuel saving a kind of sport. Everybody who has enough money for a strong car, can drive fast and hit the pedal. But saving fuel requires concentration, self-control and cleverness. It's a challenge with the nice effect of saving you money that you can use for other more important things."
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