Ashman:

You don't have a choke, it's not stuck! You have either a big vac leak (unlikely) or a stuck idle control valve, or a failure in the idle speed control circuit.

Peter

__________________
1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!