Why does my neon stalls when I step on the brake

2000 PLYMOUTH NEON
88,965 MILES
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EFRAIN PEREZ
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It started a day ago when coming from work. I came to a stop and the engine started shaking like it had a vacuum leak. The check engine light started blinking and the car stalled. It starts up easy but every time I steped on the brake pedal it will stall. I checked the stop light switch. While holding the brake pedal down with one hand and the stop light switch button with the other hand the car kept run. When I let go of the switch the engine would stall. So I installed a new switch thinking that, that was the problem ,but is wasn't. I would appreciate if you help me out.

Thanks
Efrain Perez
Oct 27, 2011 at 2:47 AM
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MHPAUTOS
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Will the engine faulter if idling in park and foot on the brake?
Oct 27, 2011 at 8:17 AM
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EFRAIN PEREZ
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No sir it stalls on drive when I step on the brake to stop at a red light or step sign.

Best Regards
Efrain Perez
Oct 28, 2011 at 4:20 AM
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MHPAUTOS
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Clean the idle control system, i do not think thyat this is related to the brakes, if the booster was faulty it would normally faulter at idle as well, have you checked for any fault codes yet?
Oct 28, 2011 at 6:13 AM
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EFRAIN PEREZ
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Sorry I missed understood your first answer .Yes Sir the engine will stall when idling in park and I step on the brake. I have no problem starting it back up. Only when I have my foot on the brake.Thanks again.

Best Regards
Efrain Perez
Oct 28, 2011 at 12:11 PM