Dirty throttle body. Clean it using our procedure on our forum.
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Yes.
the air conditioner shouldn't have anything to do with it. there could be a problem with your tires or your driving or your kid could be jumping on the seat
A bad compressor belt can cause a whistling noise while running the air conditioner. A bad engine can also cause this noise.
There are 2 fans that would be running while you are driving and that is normal... the compressor fan if you have the air conditioner running and the radiator fan runs to help keep the radiator cool while the engine is on.
Yes. In most cars (especially those that have climate control) the Air Conditioner compressor will run periodically, while the heat is on, to dry the air as it comes into the cabin; this prevents the windows from fogging. The A/C Compressor will always run when you have the window defrosters on.
yes if someone is in the car to shut it off in case the car starts to vibrate(its bad if it vibrates)
Close the windows, the car will cool quicker and the A/C will shut off, conserving fuel.
While running your air conditioner, the vents should be closed so that warm air from out side do not enter into the room,which may cause damage to the machine in the long run and it will fetch more time to cool the room.
This could mean your pump bearings are going bad.
Excess load = the idle RPM falls to low and the engine shuts off.
pushed in so that the exaust is off, on will force hot air from out side in.
Check to see if your condenser fan is running when a/c compressor kick on.