make sure your electric cooling fan is working when the air is turned on.
I believe most GM cars the daytime running lights can be turned off by applying the parking brake.
In brief, you will blow the engine.
pull over and call for help
Check the fan control
Something is probably overheating. You should check the power supply. It is fairly common that they will overheat and shut off. After it cools off, it will run for a while again. If it runs longer after cooling off for a long time then that is probably it.
You can warp the head and crack the block if you keep it running for too long while its overheating, that's only two things. Fix the problem before you blow the engine.
Look at your thermometer. Or you can check for steam or smoke coming from the engine. Look and see how much coolant you have. And basically you can tell if it is overheating just by putting your hand by the engine after you drive it for a while. if it is abnormally hot, pretty good chance it is overheating.
check your interer dimmer switch is it in the on position? dimmer switch is not turned on ... the lights stay on while the car is in use as well as when the car is turned off. they stay on exactally as long as the radio does if the car is turned off and you sit inside
i would say it will be overheating, check coolant level
The pulser in the tank on Fiero does not exsist. The item that buzzes inside the tank for a second every time the key is turned on is the fuel pump. The computer turns it on when the key is turned on and while the starter is turning the engine. The pump is run by a relay and the oil pressure switch going down the road.
ONE PROBLEM AREA YOU MIGHT LOOK AT IS THE FAN. IT SHOULD CYCLE ON AND OFF AND WHILE IT IS OVERHEATING IT SHOULD BY ALL MEANS BE ON. THERE ARE OTHER AREAS OF CONCERN BUT THIS IS WHAT WAS HAPPENING ON MINE .... GERY
Radiator cools the engine while the air con(ditioner) cools the passenger cabin. Generally these two systems do no interact with each other.