Most of the time it is an electrical component that fails when it gets hot.
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I would suggest that the Choke is switching off and then the idle is set too low
Hey tom its a 1990 pontiact transport van and it starts out fine and as soon as the vehicle warms up it will stall it will start back up but when you put it in gear from park it stall again until cool?
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Possible dirty fuel injectors or TPS sensor.
yes
Wait until it warms up and melts
datsons stall when started up
Tune up
Todays car warms up faster if you drive it. Just drive easy
cold start switch on the side of or on top of the throttle body.
Which pressure. - More info gets a better answer.