Thread: Clearing Diagnostic Codes with Engine Running Erases them Permanently ??
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  #12  
Old 03-17-2008, 02:23 PM
Arthur Dalton Arthur Dalton is offline
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Join Date: Aug 1999
Location: Florida / N.H.
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Mt post was in responce to post #5.
..but on your EGR, the suspect would be the EGR sticking b/c it has not been upgraded to the modified EGR with the smaller diameter shaft.. There is Benz Campaign on that chassis for the change over.

Just do a simple hand vac test at the egr port while car is at idle.
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