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Check the air filter, it's probably clogged.
Sounds like a motor mount or a transmission problem.......
Replace the plug wires
My 1990 idles at about 850 and with the ac on 1100
see previous answers, but if it idles high it might be the Mass Airflow Sensor. if your car idles too high for too long and you keep driving it, you could burn out the transmission module (very expensive )
Check the fan, check coolant level, water pump. Not enough air flow when the car is stopped.
it should after it's started
If you give the car gas and it immediately dies but idles without giving the car gas, the VAF could be unplugged. If the car immediately dies without giving the car gas, it could have low fuel pressure, vaccum leaks, compression issues.
dirt in the carburator, incorrect fuelling or ignition (i.e. spark) breaking down under load. Check that fuel is getting through, fuel pressure & that injectors are spraying correctly, and that plugs are giving a good healthy blue spark. If spark is weak it could be plugs, leads, coil, distributor cap / rotor arm or a bad earth - check everything.
vacuum leak.
When you turn on the headlights of any car it causes a load (or horsepower drag) on the engine. Your car has an idle problem and the load on the alternator simply exacerbates it.
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