Igor

You are welcome.

The fuel injection pump has a rack dampener. Often these need to be replace or at least adjusted. Do a search. This often is a way to smooth the idle out without raising it.

Haasman

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'03 E320 Wagon-Sold
'95 E320 Wagon-Went to Ex
'93 190E 2.6-Wrecked
'91 300E-Went to Ex
'65 911 Coupe (#302580)