Is there any way to repair an egr? Tested it and it holds zero vacuum. Living in California I need this to work but don’t have the 200$-$600 to buy a new one. Would it be possible to swap out the diaphragm canister from another car? I see on other cars a new egr is about $30

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1993 e300
1995 e320
1994 e320
2006 s500 4matic
2004 Jeep wj overland
2001 Ducati 748
2004 Honda shadow aero