I wonder if ALL the air that it is getting is from the auxillary air valve. Maybe when you cleaned the airflow sensor plate, something got screwed up.....

__________________
Mark Herzig
1995 E300D 153K
1985 300D 142K (sold)
1979 450SL 122 miles (sold)
1992 500E 127K (sold)
1987 300SDL 132K (sold)
1986 300E 161K (sold)