Why would a vehicle stall unless you pump the gas pedal?

Sounds like a fuel delivery problem (possibly fuel pump) or a clogged fuel filter. Try checking the vacuum lines. I own a 92 Cadillac Seville and the exact same thing happens. It makes me want to drive it off a cliff. I thought it could be a clogged throttle body so I spent about 3 hours cleaning it and no result. If you ever figure out this problem please tell me what it was. car is starting up sometimes when has been running a while on restart 94 jetta what could be the problem? Try adjusting your idle speed. We own a 2001 Jeep Grand Cherokee that had the same thing happen. It ended up being a bad alternator, not what i was expecting but if you cant think of anything else give that a shot.

I am experiencing a similar problem with my 1999 Subaru Impreza. Generally when my car sits for a day or the temperature drops, the car will sputter upon startup until I push on the gas pedal. Sometimes it will even stall during this sputter. Basically it sounds like it has a fuel starvation problem upon startup on colder days. My check engine light finally came on and it turned out to be a problem with my Idle Air Control Valve (IACV). I took it apart and sprayed it with brake parts cleaner. I haven't had a problem since.