93 22re 4x4 after the mortor warms up when i go to start it, its like the choke is stuck .i knows its fuel injected but it acts werid . but not evertime sometimes it might start just fine an the next time it will blup blup blup an i will try to feed it gas an it will miss for a minute or two an smooth out an run fine i give it no gas when trying to start it only after it starts ive put a new fuel filter it starts fine when cold was wondering if the fuel pump was going bad ?
