Quote:
Originally Posted by teoman
The EGR recirculates carbon in to the intake. That can be an abrasive.
3D printers that print carbonfiber filament have rapid wear of the nozzle.
Not saying this is a cause, just relevant things that pop in to my mind.
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I never thought about that, great point! I blocked off my Civic's EGR because I didn't want my intake manifold getting full of soot and heat soaking from the hot exhaust. I can't really say that I noticed a difference in the way it runs or a difference in gas mileage, but YMMV (no pun intended)