Why does my car stall when i take my foot off the gas pedal? on 2002 Cadillac DeVille

the car starts right up. But when i put my foot on the brake to put it in gear it cuts off.

by in Torrance, CA on December 27, 2009
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1 answer
ANSWER by , December 27, 2009
You may have a hole in the brake booster rubber diaphragm. It will be exposed to air when you step on the brake, which causes a huge vacuum leak and then your engine dies. This is where I would start.