I was directed to this forum for your knowledge in the area. I was hoping you could help me out with a bit of techincal data...I would like to know how and when the egr valve in a 1998-99 E300 turbodeisel works. More specifically at what rpms and man pressure it opens and closes at. Thanks in advance.

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2002 G500 74K
1998 E300 200K and rising
1995 S600 73k


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