Why does my car run bad when the AC is on?
A rough idle when the air conditioning is on may be caused by: A faulty or dirty IAC valve. A dirty throttle body. A faulty cooling or condenser fan.
Does starting your car with the AC on bad?
Well, the simple answer is NO! There is nothing harmful about starting your car while the AC is on. When the engine of the car is off, the vehicle will automatically shut off its power. This means that as you are starting the engine of the car, every component like AC, radio, and so on will get shut off automatically.
Will AC compressor keep car from starting?
A seized a/c compressor can certainly make the engine difficult to start, if not start at all. A seized or damaged compressor can make it similar to trying to start your engine AND a seized engine combined. The a/c compressor clutch can also be a cause.
Should you turn your AC off before turning off your car?
In short, no, you do not have to turn your air conditioning off before turning off your vehicle. That being said, it never hurts to disable electrical systems, including the fan, before switching off the ignition.
How long does an AC compressor last in a car?
eight to ten years
It has been estimated that an A/C compressor can last from eight to ten years. Many drivers will then say that they will not need to change their A/C compressor at all since this number denotes the life of the car.
Why does my car not start when the a / C is on?
Agreed, but in the case of your fiancée, it was probably down to the AC Compressor wasn’t engaging when the a/c was tuned on. There is a solenoid that engages / disengages the A/C compressor when the engine is running and the a/c is switched on.
Why does my car heat up when the air conditioner is on?
The car cooling system helps to keep the AC condenser cool while your air conditioner is one. Normally AC usually will heat up after you turn it on, and the air conditioning cooling system was set the reduce the heat. So when the cooling system starts to malfunction then will lead to car overheating when air conditioner is on.
Why does my car idle when the AC is on?
It also helps increase engine speed when an extra load is placed on the engine, for example, when you turn on the AC or defrost system. However, a faulty or restricted IAC valve may keep the engine idle speed from increasing when it needs to.
What happens when the car AC system fails?
Just like any other component on a vehicle, it will eventually fail and need to be replaced. The compressor is responsible for pressurising and distributing the refrigerant. If there is any problem with the compressor, the rest of the AC system will be affected.