what causes car to stall after starting and when taking foot off of gas on 1999 Buick Century

problem is all the time, just started and when you start the car will not start unless gas pedal is pressed and when you leave up on gas pedal it stalls

by in Rio Linda, CA on August 09, 2013
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1 answer
ANSWER by , August 10, 2013
Check engine light on? Have mass air flow sensor tested.