What does it mean when a car gets hot but blows cold air?

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What does it mean when your car overheats and starts blowing cold air?

If the heater is blowing cold air and the car is overheating, it is likely that the problem is related to the engine cooling system as well.The following are some issues that may be causing the heater to blow cold air: Low coolant levels.A plugged/clogged heater core.

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What does it mean when your car AC blows hot air?

It is used to cool the hot compressed refrigerant back to ambient temperature as it comes from your compressor and uses the air your car is traveling through to do that.Like having a blocked condenser, having broken cooling fans can cause a lack of cooling at your condenser and could cause your c...

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Why does your car blow cold air instead of hot air when used?

Could be a stuck open thermostat or low on coolant or the temperature blend door is faulty.

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What is wrong with your ford Taurus if it wont blow warm or hot air but it Will cold air?

Temp blend door malfunction.

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Why does your vent blow hot air when it is set on cold?

It depends on what the weather is outside and how developed the air conditioner is. if it's hot out it may take a while to get cool or if it is scorching hot outside it may not get cold at all.

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What does it mean when your AC is not blowing cold air?

1.Wrong Thermostat Settings.If your air conditioner isn't blowing cold air, the answer could be as simple as your thermostat being on the wrong setting.Setting your fan to “AUTO” will not only save you money, but it will also ensure that your fan is only running when your air conditioner is cooli...

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When the car is cold it starts but when it gets hot it turns off?

Sounds like you have radiator trouble. Have you checked the fluid level in the radiator?

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What is is the heater blowing cold air when its set to the hot position?

Either the temperature blend door is not working, the thermostat is stuck open or you are low on engine coolant.

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What does it mean if your car AC is blowing hot air?

Like having a blocked condenser, having broken cooling fans can cause a lack of cooling at your condenser and could cause your car AC blowing hot air.These small leaks can cause your air conditioning system to stop blowing cold air.

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Why is my car AC blowing cold and hot air?

Another cause of AC blows cold then warm An overcharged car AC system can start out pumping cold air.But that cold air turns warm fairly soon after because the high side pressures build to the point that the high pressure switch shuts off the compressor clutch.Evacuate and recharge the car AC sy...

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Why does my car blow out cold air when idling?

Hot coolant from the engine passes through a heater core, which looks and functions a lot like a small radiator, and a blower motor forces air through it.It's also the reason that a plugged heater core, stuck thermostat, or air in the cooling system can all cause a car's heater to blow cold.

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My car is blowing out cold air not hot when the heater is on.?

You need to change your thermostat in the car.

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Why doesn'tMy blazer blows air it just doesn't get hot?

Low on coolant or bad thermostat or plugged heater core or bad temp blender. Check in that order.

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91 delta 88 starts when cold - but want when it gets hot?

Check to see if your starter is getting too hot after running for a while. When the starter is hot it requires much more current. This may be caused by heat shield being removed and or a hole in the exhaust system near the starter.

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Why does my b2300 truck blows hot air even when its set to col air?

i would first start by checking the amount of freon the a/c compresser has, it would also be a good idea to flush and refill fill it since you've already gone this far.

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What causes the air conditioner to blow hot air then cold the car is also running hot since this happened?

Cars now have 2 cooling fans 1 for the engine and the second comes on when you run the a/c.You need to check if both fans are running when the engine is started and a/c on. If 1 is not check all the fuses.99% of the time the fuse blows.The fuse will be a larger amp and probably under the hood. Ho...

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Dual climate control 2002 jeep.fan motor now comesw on and off when it wants.have cold air and hot air but fan does what it wantsany ideas?

The fan is trying to control the temperature each area of the car by turning on / off or adjusting speed. This is how a climate control is made to function.

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Why does my car start when it's cold but not hot?

The cold starting issue could possibly be caused by a failing fuel pump or even a temperature sensor.Heat increases resistance in electrical circuits, and it is possible that once the fuel pump has been running for a while, high resistance causes it to slow or stop.

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Car blow cold air?

Could be a clogged heater core, stuck thermostat, sensor or relay ( if ur car has electronics). Radiator may need flushing . Worse case, combination of noted possibilities. Good Luck. Inspector F.H.

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Why does the ac work when parked but when you drive your car it blows hot then cold and idle goes up and down?

Many ac systems use engine vacuum to operate the ac controls. You may have a cracked or disconnected vacuum line that feeds the HVAC system. Check the vacuum lines under the hood, that is where they would most likely be damaged. A vacuum leak would also be the cause of the erratic idle.

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What does it mean when a car blows black smoke?

Black exhaust smoke can appear when the vehicle is burning too much fuel.This could be caused by a clogged air filter, malfunctioning fuel injection system, a blocked manifold, or a variety of other issues.

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When car heater blows cold air What is wrong with it?

You may be low on coolant, or the thermostat is stuck open, or the heater core is plugged up, or the temp blend door is broken.

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What does it mean when your ac doesn't blow cold anymore?

It needs to be charged. You Need To Have Your A/C Serviced. Everyone Including Me ! Needs To Have Their Cars Serviced Regularly. And The A/C One Time At Least A Year. Your Sounds Like A Loss Of Freon. Or Maybe Compressor Trouble. Have It Checked. GOOD LUCK

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Your 2003 montero was blowing cold air now it only blows hot air the condensing fan still turns on Could i have a bad compressor?

it very well could be a bad compressor, but you may also have a leak in one of the a/c lines, or the orfice tube. if you take it to a garage that does a/c work, they could hook it up to a machine and run an ultraviolet dye through the a/c system and look at it under the hood to see if there are a...

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Why does your aircondition blows hot air?

Two basic reasons:

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Why does my car heater blow cold air?

Hot coolant from the engine passes through a heater core, which looks and functions a lot like a small radiator, and a blower motor forces air through it.It's also the reason that a plugged heater core, stuck thermostat, or air in the cooling system can all cause a car's heater to blow cold.

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Why does car run fine when engine is cold but dies when engine is hot?

Chances are that you have an air leak or fault in the vacuum side of your intake that causes you engine to run lean when the choke or enrichment circuit is disengaged. Or you have a problem with your normal fuel supply circuit. -Check your vacuum lines and vacuum operated devices for leaks. -Chec...

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Why is your car heater blowing out cold air when it is on?

Low coolant and a clogged heater core are possibilities.

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Why does my heater in my car blow cold air?

Hot coolant from the engine passes through a heater core, which looks and functions a lot like a small radiator, and a blower motor forces air through it.It's also the reason that a plugged heater core, stuck thermostat, or air in the cooling system can all cause a car's heater to blow cold.

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What does it mean when your heating and air conditioning system in your car won't blow but you don't need a new blower motor?

try checking the fan relay

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What does it mean when your car blows blue smoke?

If your car is blowing blue smoke, it's a clear sign that the engine is burning oil.What happens is that the valve guide seals or piston rings are worn out, and oil is leaking past from where it should be lubricating the moving parts, to the combustion chamber where it's being burned up with the ...

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What causes a cars heater to blow cold air?

THE CAUSE for this is that when your cold air is on the petrol is used to create air. and that is how cars create cold air

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Why does your car blow hot air all the time?

it is drawing the hot air off the engine.

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What does it mean when temperature gage moves but not running hot?

Most likely the thermostat spring is weak, or the thermostat is sticking, causing the thermostat to open too early and stay open too long. This will cause water to circulate to the radiator, causing the temperature of the cooling water to fall below the target temperature, and so the temp guage f...

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Everytime you run your 99 cavilier with the air conditioning on it blows out cool air but when you stop It blows out hot air like it stops working?

Refrigerant level low or cooling fan not working. worst case would be that the compressor no longer can build enough pressure and needs to be replaced

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What does it mean when car runs hot?

Although hot weather is the most common cause of overheating, many other factors can cause the same problem.If your vehicle overheats in traffic in normal weather, one of the following may be the culprit: The water and coolant level in the radiator is low.There's a leak in the cooling system.

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Why does my truck AC blow cold then hot?

Another cause of AC blows cold then warm An overcharged car AC system can start out pumping cold air.But that cold air turns warm fairly soon after because the high side pressures build to the point that the high pressure switch shuts off the compressor clutch.Evacuate and recharge the car AC sy...

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How do you get my heater to blow hot air?

Most like a duct problem. Check cables behind control to ensure smooth operation of all doors. The heater core is hot so something is blocking the air or it is being channeled improperly.

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Why does a 1997 Lincoln town car air conditioner cool blow hot air?

Your air conditioner might need to be recharged. First try putting in a new fuse for you air conditioner in the fuse panel. Alot of people don't know but before turning off a car or starting one they tend to leave their air conditioner on which burns them out over time. Also whats a good idea, ev...

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Why would my car overheat but the heater blows cold air?

If the heater is blowing cold air and the car is overheating, it is likely that the problem is related to the engine cooling system as well.The following are some issues that may be causing the heater to blow cold air: Low coolant levels.A plugged/clogged heater core.

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Why does a engine run good cold but not hot?

well is it a newer car or what um it is prol your intake temperature sencer

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Why does a car get hot when the sun is out on a cold day?

This happens through a process that we commonly call the Greenhouse effect.The infrared rays (heat radiation) can pass easily through the windows and heat up the dashboard, parcel shelf, seats etc'. Some of that heat is then transferred to the air via convection and as the hotter air rises, coole...

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Your 95 lesabre starts off blowing out cold air then it turns to hot why is that?

try adding ( 1 ) can of 134A freon sounds like the system is low.

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Why is cold air blowing when the heat is on?

Repeated overheating will hurt the furnace's heat exchanger, which is expensive to fix.3) Pilot light is out If your gas furnace is only blowing cold air, then the pilot light may be out.if the switch is on, then check to see if the pilot light is dirty.if it is, clean it to allow gas to come thr...

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Why is your 02 cavalier running hot and only blowing out cold air?

either low on collant or a failing water pump

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Why hot air blows with temp control on cold 2001 sonoma?

There is a door behind the dash that changes cold and hot air flows. The door is probable stuck or the control circuit has failed causing the hot air to blow on cold.

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What does it mean when my car is knocking in the head and blowing white smoke but not overheating?

If the vehicle is knocking it depends on where the location of the knocking sound is coming from if it is coming and what type of engine it is in other words1) Is it a (DOHC) Double Over Head Camshaft Engine.2) Is it a (SOHC) Single OVer Head Camshaft Engine.These two choices are the topend of yo...

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Why is your car air conditioning blow hot air?

because you need to keep warm when it is winter and other times when it it cold

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Ive installed a cold air intake in your car and now when it idles it gets really hot is there something wrong or is this normal?

No this is not normal. The cold air intake will not cause overheating. I would say you have disconnected the fan thermo relay, or the fans themselves, when installing the cold air intake. Check all the connections and the fuse. Turn on the A/C and see if the fans are running. They should run cont...

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What do you do when your air conditioner doesnt blow cold air?

you would need to add freon

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Why will a car heater blow out cold air when heater is on?

Low on coolant, stuck open thermostat, plugged heater core, faulty temperature blend door,

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Why does sterling truck heater only blow cold air?

First, its a Sterling... you're gonna regret that purchase. Daimler A.G. claimed they'd continue supporting them for 10 years after they ended production in 2009, but they've been lacking in that, especially since Ford still supplies wiring harnesses and some other components, and they made no su...

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What does it mean when ac is not blowing?

there are different types of AC units witch makes it difficult to answer your question, but I think the kiss theory works here. Ether your fan is not working or your evaporator coil is iced over. there are several reasons for the coil to be iced over. the main one is it needs to be cleaned dirt a...

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Why does a motor make a tapping noise when its cold but not when its warm?

sounds like your oil is wrong viscocity and causes the hydraulic lifters to tap until oil thins enuff to work the lifters. if changing oil doesnt help you have a worn lifter

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Synchronizer squeels when car is cold but stops when the car is hot?

Your Lubricant is too cold to flow & lubricate efficiently. Switch to a Synthetic Lube. Suggest AMSOIL Gear Lube or AMSOIL Synthetic Manual Transmission Lubricant. See your Owners Manual for correct viscosity.

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Why does my AC sometimes blows hot air?

Most likely, if you're having issues with your air conditioner blowing hot or warm air, it's either a problem with the compressor/outside unit or your air conditioner is low on refrigerant.You may also have a return duct that is broken or disconnected and is pulling in unconditioned air from outs...

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What does it mean when you blow heater hoses?

To blow a Heater hose means for example popping a balloon, the balloon blew up. in other words the hose leaks and is no longer useful.

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Why does Car start but after the engine gets hot you cant get it to start back up until the engine gets cold again?

what year is the car? it possibly could be that the choke is not disengaging after the car has warmed up. If the car has an automatic choke (powered by an electronic servomotor), that motor may have broke and left the choke on allowing the car to run when cold but not when hot. Other than the cho...

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Subaru legacy Why does the Heater only blows cold air?

check your thermostat, if that isn't it you might need a new heater core. had one put in my f150 for about $150.With my car, it was Heater matrix clogged with radiator sealant. The workshop cleaned it and it's start working fine!

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Why does the drivers side blow air cond and the pass side blow hot air on a 2005 escalade?

One side has a faulty temp blend door actuator.

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Why does my 2003 dodge stratus heat work but when i stop at a light it shoots out cold air?

Check your radiator coolant level. On some cars, low coolant will let air bubbles into the heater core which can result in intermitant cold air bursts.

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Why does my car AC vent blow hot air when driving even when the AC is off?

Most cars do not have AC vents, only climate control vents.When it's hot out, air is blown over the AC evaporator before it's sent to the cabin.If it's cold the air is blown over a small radiator that takes heat from the engine.The temperature is controlled by the flow over the evaporator or the ...

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Why your heater is blowing cold air?

Maybe its broken.Or maybe you pressed the AIR CONDITIONING

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Why does air in 1998 explorer stop blowing cold when you press gas?

sounds like your freon may be low

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Why is my 2000 Durango over heating but blowing cold air from the heater?

check the coolant level, or, possible stuck thermostat.

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What does it means when your oil runs hot?

It literally means the oil that keeps the car's engine cool is running hotter than normal.

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What does it mean when your cars coolant is smoking when your car isn't hot?

The cooling system is a closed system. If there is smoke (probably steam) there must be a leak in the cooling system somewhere.

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Why is the heater blowing cold air?

One of the most common reasons for your heater to blow cold air is the thermostat.Dead or dying batteries can cause poor performance from your thermostat.That in turn can become your heater blowing cold air when it should not.Check the fan switch – Most thermostats have a fan switch or setting.

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Heater on 1986 Corvette blows cold air?

Check coolant level in radiator Check to see if it is "airbound" Remove heater hose to see if there is fluid running through it Bad thermostat

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Nissan Maxima air conditioner won't blow cold?

It could be several reasons. First thing to do is check all the fuses. Lokk under the hood and under the dash. If they are all good, it could have a leak and lost all the refrigerant. You can check for power at the compressor if you have a test light. Check the wires going into the clutch with th...

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What does it mean when a car blows grey smoke after idling?

What gray smoke means:Gray smoke is caused by brake fluid. It generally means that your brake master cylinder is bad, and is getting sucked through the vacuum brake hose.

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1994 mazada protege ac compressor comes on but still only blows hot air?

If the compressor ls operating then either the heat control is stuck on heat, or the diverter door is not opening. Turn on the heat an see if the heat temp will go up and down, If its ok then a door is probably stuck in heat mode. Check for vacuum leaks, as the door operates on a vacuum.

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Why does my car shut off when it gets hot?

Well, there is an ignition problem that can cause this when the engine gets hot and it stalls.It's caused by a lack of spark which can be either the ECU's fault (on EFI cars), or the coil on pretty much any car.Heat causes expansion.An engine needs more fuel when it's cold than it does when it's ...

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Why does your car heater blow hot and cold at the same time?

most cars have two sections in the blower box if you want heat vacuum oprated valves direct air through heating coils,same with air conditioning vent from out side. if you have vacuum leak you could get both cold and hot air. depending on which one is more extreme depends on which one you feel most.

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What's causing my 2001 Mazda b2300 to misfire when cold but run fine when hot?

My guess is that you have the wrong temperature spark plug. All spark plugs are not the same, somerun hotter than others.

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Always blowing hot air through the vents?

Doors in the kick panels or heater box are not closing to redirect the air.

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Why does my 2005 Ford focus blow cold air in idle and very little warm air when driving?

Could be,low on coolant,stuck open thermostat,plugged up heater core,temp blend door malfunction,

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2001 Pontiac Montana air conditioning blows out cold air as long as the car is moving When the car stops or idles the air conditioning becomes warm It is cooler than outside the car but not much?

your engine fan is not pulling airflow over your condenser at idle or their may be a condenser fan not working check for airflow issue at idle that is the cause of your problem make sure condenser and radiator clean. Many auto cooling/heating systems use a "blend door" which mixes both hot and co...

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1993 Toyota Corolla is blowing hot air?

If your 1993 Toyota Corolla is blowing hot air, it might have a refrigerant leak in the cooling system. You can try replacing the refrigerant with a kit found at most auto parts stores, but if the leak is large, this fix will not last long. You might also have a compressor failure.

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What is wrong when not much air is coming out of your vents in your car hot or cold air?

your blower motor is stuck on low

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Why is my car AC not blowing cold air?

These include: Low Refrigerant: Low refrigerant will prevent your air conditioner from operating (the clutch won't kick in and make the compressor cycle if the amount of pressure in the system is off).This is actually the single most common problem for an AC not to blow cold.The same is true for ...

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1999 f150 heater only blows cold air?

some possibilities are. low coolant level, open thermostat, pluged heater core,

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Why is my heat blowing cold air?

Your furnace may be blowing cold air because the filter is too dirty.A dirty air filter blocks airflow over the furnace's heat exchanger, causing it to overheat.If the pilot light isn't lit, then the furnace's burners won't light, meaning no heat.

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Why does my car stall when it gets hot?

Well, there is an ignition problem that can cause this when the engine gets hot and it stalls.It's caused by a lack of spark which can be either the ECU's fault (on EFI cars), or the coil on pretty much any car.Heat causes expansion.An engine needs more fuel when it's cold than it does when it's ...

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Why does my car lose power when it gets hot?

There are many reasons why your vehicle may be losing power, especially when accelerating.Some of these common causes are: Mechanical problems such as: Low compression, clogged fuel filter, dirty air filter, clogged Exhaust Manifold.Malfunction of actuators such as: Bad injectors, bad fuel pump, ...

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Why won't my AIR conditioner blow COLD air when pressing on the gas?

You may need to get your freon recharged or your A/C compressor might be bad.

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What does it mean when a car overheats only when you turn on the air conditioner?

your cooling fan is not operating correctly

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Why is my car blowing out cold air when the heat is on?

Hot coolant from the engine passes through a heater core, which looks and functions a lot like a small radiator, and a blower motor forces air through it.It's also the reason that a plugged heater core, stuck thermostat, or air in the cooling system can all cause a car's heater to blow cold.

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1993 buick century you changed fuel pumpfuel filtermass air and O2 censors car runs but when it gets hot the car runs real rich and dies out let it cool down run fine until it get hot again email you?

Hi, I'm not sure what it's the problem, how hot is the coolant? You can have a problem with the ECM or with the Mass Airflow sensor, consider that Computer Control Module (ECM/PCM) monitors engine operations and generates output signals to provide the correct air/fuel mixture, ignition timing and...

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Why is the heater in my car blowing cold air?

Hot coolant from the engine passes through a heater core, which looks and functions a lot like a small radiator, and a blower motor forces air through it.It's also the reason that a plugged heater core, stuck thermostat, or air in the cooling system can all cause a car's heater to blow cold.

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Why is my car blowing out cold air?

Hot coolant from the engine passes through a heater core, which looks and functions a lot like a small radiator, and a blower motor forces air through it.It's also the reason that a plugged heater core, stuck thermostat, or air in the cooling system can all cause a car's heater to blow cold.

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Why would a 1998 Laguna blow only cold air?

low on coolant, dash control, blend door actuator are places to start

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Why is the air conditioner in a car blowing out hot air?

it simply means you have to add freon to ur air conditioner....you can buy freon at any auto parts store.

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Why is my car blowing cold air when the heater is on?

The air is then heated by the coolant and then, in turn, warms up the interior of the vehicle.This is the reason that it takes a while for heaters to start blowing warm air.It's also the reason that a plugged heater core, stuck thermostat, or air in the cooling system can all cause a car's heater...

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What does it mean when the cars air conditioner only puts out warm air?

Obviously, it means the AC is not working. You can hope that it only needs to be re-charged with coolant. However, coolant should not leak out, so unless the leak is slow, just adding coolant will not help for very long. Leaks can be found and sometimes plugged. Sometimes the electrical controls ...

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Why is a 1999 Ford Explorer not blowing hot air?

possibilities include thermostat stuck open (temp gauge would be reading cold), low coolant level, blockage in heater core, or temp door in dash broken(very likely on this vehicle)

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What does it mean when a car has a motor but needs a block?

It means don't buy that car! Look for a better one that actually runs. The block is the main component of the engine/motor. All the components that make up a working engine are built on the block. Think of it as the basement or foundation of a house.

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Why does air condition in 2000 Hyundai elantra blow hot air?

Either the compressor pump is not working or, more likely, the coolant has discharged to atmosphere. It doesn't have to go to a dealership, most local garages will check and recharge the system and there are some mobile specialists around too. Check your local Yellow Pages.

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Your car does not run hot but it bubbles when you turn it off?

It is normal to boil when you turn the car off. When the coolant stops flowing, the coolant in the hot engine boils and pushes steam out of the engine. The recovery tank collects the excess and allows it to go back in when the engine cools.

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What does it mean when RPMs increase but no speed?

Your car or vehicle is in neutral, or the clutch is shot.

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