it is idling high to warm up.it is dying because the choke is shutting off before it has warmed up
A 1999 Chevy Express 3500 van that shuts off when it warms up can have a bad fuel pump. It can also be caused by the distributor cap getting worn out.
Tune up time with fuel and air filters, spark plugs and wires.
have a 89 Chevy astro van starts good till warms up the start to chock and then stalls
Grounding issue, bad wiring, failing bulb.
If you 4.3 liter begins to smoke as it warms up, it might have an oil leak that is causing the smoke. Often, the oil will leak once the engine reaches operating temperature and it thins. or it might be the valve seats going bad because my truck does the same thing and its the valve seats
Needs an ignition module
Connect a code scanner and see what the computer has stored. It will tell you exactly what to repair. have you checked your fuel filter? sounds like a carburetor problem
the oil pressure in the engine rises when the truck is warming up causing the light to show, if continues after the truck has been running, change oil and oil pump.
Auto-choke is stuck open
it may be the oil pressure sender located on the engine
after truck warms up will be hard to start,module may even start turning white colored make sure you are getting 12 volts to the module from the ignition also good luck
It will get pushed out onto the ground as the engine warms up.