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This is most commonly caused by the air control doors closing. This system is vacuum controlled. When acceleration the engine is pulling less of a vacuum and any leaks will cause the doors to move to the "rest" position where they stay when there is no vacuum. Checking for vacuum leaks would be the first place to start.
What else can I help you with?
How do you fix a 95 Camaro Z28 which sometimes blows warm air in vent mode with temp control on full cold but sometimes operates ok?
If the AC is on Vent and it blows hot air in and the temp is at coolest. I think it does not matter because when you have it in vent it is venting air from the out side, it will start blowing air from the out side meaning if its hot out side the air will come out hot. Sometimes a car might blow hot air when you have it on full AC and cooldest. When you accelerate your car hard but it should cool down after you stop accelerating hard.
Does a hair dryer blow hot air out or cold air in?
A hair dryer blows hot air out.
Why does heater blow cold air at idle Only blows hot air when accelerating Temperature gauge shows normal Lincoln Town Car Identical question also listed but not yet answered?
Check coolant level
How does a hot air balloon stop?
There is a handle that you pull to close the vent that blows hot air into the balloon.
What does it mean when a car gets hot but blows cold air?
The Air Conditioner is on
Why air blows from cold place to hot place?
Differences in air pressure.
Ac blows hot air front and back recharged ac and still blows hot air?
One thing to do is to check the A/C Relay. Mine wasn't plugged in once and it did that.
Ac blows hot air then you lose power when stepping on the gas pedal?
If the a/c is blowing hot air then first check the freon levels in the system... If the a/c system is full but shuts off while accelerating then check the power and ground going to the clutch coil and the pressures switches as well.... If the a/c has issues while accelerating then you need to check for a vacuum leak which is a very common problem with a lot of vehicles.........
Why your car air conditioner blows cold and then hot air?
Well the main reason why your car blows out cold then hot is because the air conditioner may not be working properly. You should go to the car shop and get it fixed.
What does it mean when the air conditioner blows out hot air once in a while?
If the ambient (air) temperature rises and the A/C blows warm air, it probably means that you need to add freon.
Air conditioner on 1998 Chevy Malibu blows hot air?
the system is probably out of coolant.
AC in my 2002 VW Jetta stopped working. Hot air blows from the vents in interior of car. The AC is fully charged and compressor works please help?
Check your Fan Control Module!!! Check your Fan Control Module!!!
