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It is idling. This is hard for an engine to do smoothly.
It is the idling sensor on top of the intake
The #1 cause of cold air from the heater when the car is stopped, or the engine is idling, low engine coolant levels.
because of ignition coil faulty.due to mountings,abnormal fuel pressure.
set the idle down on the carb
it means the motore is rotating faster a dead stop than it should be.
If you car stalls when you remove your foot from the accelerator, when you brake for a stop, you will find that you have a vaccum leak, in one of the hoses from around the engine. A vaccum leak causes an engine to run rough, stall and give poor acceleration. Any hose that you can see with cracking needs to be replaced.
You either ran out of gas or your engine overheated.
idling too fast - adjust choke
Engine is idling too slow or the alternator is weak. Or battery is getting tired.
Try changing the pcv valve. Also check for blockage on the tube going to it.
change the mass air flow senser