I own a 2001 Honda Odyssey EX and it has been stalling right after I start my car.

There are several reasons why your vehicle may be stalling

AAMCO  | 09/15/2010
Auto Repair & Service Car Problems & Safety

Bruce says: Most likely The MAP (Manifold Absolute Pressure) sensor may not be receiving the correct vacuum signal,  worn-down contacts on the ignition switch or a sticking IAC (Idle Air Control) valve are reasons why your Honda Odyssey may be stalling immediately after starting.
Take your car to AAMCO so they can perform a TranScan and Diagnostic Services, some locations may have a special for free diagnosis (usually $85), but you should check with the location first as they are independently owned and operated.  You can find a location here

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