What might cause smoke coming from a cars air vents?

Cars & Vehicles
Toyota Solara

Most of the time it is caused by a hole in the heater core, do you smell a sweet smell? The sweet smell would be the antifreeze.

Previous questionCould it be used for fuel?
Next questionWhy does car heats up when ac is on?

Related question

What is the white smoke coming from the air conditioner vent in a 2002 Ford?

If it doesn't smell like smoke it could be comdensation off the evaporator core. You might have a clogged evap. case drain. If it is left unchecked it will start to smell moldy. If it is smoke, it usually be gray or black due to melting wires(also stink), afaulty blower bearings( would make noise).

Read more

What would cause steam smoke to come out air vents in 03 pt cruiser?

The heater core has failed.

Read more

Why is no air coming from vents?

Low Air Flow Through Vents In House And Other AC Problems.The most common cause of low air flow through the vents in your home is blocked or dirty AC filters.When you clean or change your AC filters, be sure to vacuum the metal grates closing the filters in at the same time.

Read more

Why is smoke coming out of my air vents in my car?

Fog or smoke coming out the air vents is caused by cold dry air coming in contact with warmer, more moist air near the air conditioner.If the air temperature near the unit is below the dew point, this causes water vapor to form in the air and condense into water droplets, thus causing the fog or ...

Read more

Why is smoke coming out of my car vents?

Fog or smoke coming out the air vents is caused by cold dry air coming in contact with warmer, more moist air near the air conditioner.If the air temperature near the unit is below the dew point, this causes water vapor to form in the air and condense into water droplets, thus causing the fog or ...

Read more

What would cause smoke to come from the dipstick?

This is not that uncommon. Some oil is so hot that it will start to smoke. The smoke can escape through this opening to the engine.

Read more

What causes smoke coming from a car exhaust to be blue in color?

you most likely have bad piston rings or in a overhead cam you might need to rebuild the topend

Read more

Why is fog coming from car vent?

The air conditioner is low on refrigerant.

Read more

What does mist coming from car ac vents mean?

That "mist" is more than likely coolant steam coming from a leaky heater core. Replacing the heater core is your best option.

Read more

Why does hot air come out of my car vents?

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 ...

Read more

What causes blue smoke from your car?

This depends:Gasoline engines display blue smoke from oil usage:

Read more

What causes blue smoke from car exhaust?

Other possible causes of blue exhaust smoke include: piston wear, worn valve seals, a dirty or non-functioning PCV valve, worn piston rings, an intake manifold gasket leak, worn engine oil seals and possibly even head gasket failure.Oil leaking into the cylinders can cause a rough idle, misfire a...

Read more

Why does Moisture from air conditioner vents?

small amount that lasts a minute or less condensation,no problem. large amount and/or a sweet smell, heater core is leaking.

Read more

What causes smoke from engine?

One of the main causes of white exhaust smoke and coolant loss is a cracked or warped cylinder head, a cracked engine block, or head gasket failure caused by overheating.A cracked head may allow coolant to leak into one or more cylinders or into the combustion chamber of the engine.

Read more

How is burnt Smell coming from vent?

check your furnace or kitchen.

Read more

What causes white smoke to come from a car after driving it for 15 or 20 minutes?

White smoke from the exhaust means two things; excessively rich fuel mixture, or coolant is being burned in the engine. Being that the smoke comes out after 15-20 minutes, the problem is probably an internal coolant leak, allowing coolant to be burned by the engine.

Read more

Why is air not coming out of my vents?

Low Air Flow Through Vents In House And Other AC Problems.The most common cause of low air flow through the vents in your home is blocked or dirty AC filters.If your AC is running but is not cooling the house properly, you could be the victim of a variety of issues.

Read more

Why is the air coming out of heat vent cold?

Explanation: Leaks in your ductwork means that cold, unconditioned air from inside your attic gets sucked into your ductwork.That cold air mixes with the warm air from your furnace, causing the air coming from your vents to feel considerably cooler than it should.

Read more

What causes white smoke coming from the exhaust continually and lack of power?

In most cases white smoke means you are burning gasoline inefficiently, black and gray are usually oil, however, that's the extent of my knowledge.

Read more

What is the white smoke coming out of the vents inside your 1998 Lincoln Navigator?

Could be an incorrect refrigerant charge in a/c system

Read more

What causes smoke from exhaust when accelerating?

It depends what color the smoke is.Blue:Blue smoke indicates burning oil (this is the most common). If the car is older, or has high mileage, than most likely the piston rings have worn down and oil is getting by the piston as it moves down the cylinder wall. It then gets burned with the fuel, wh...

Read more

What causes black smoke from diesel exhaust?

Black Smoke: Cause, Impact, and Prevention.Over-fueling is the primary cause of black smoke from the exhaust of a heavy duty diesel engine.Over-fueling can be caused by diesel fuel injector wear that enlarges the nozzle hole or erodes the injector needle and allows excess fuel to flow into the co...

Read more

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

Read more

What causes blue smoke from exhaust?

Other possible causes of blue exhaust smoke include: piston wear, worn valve seals, a dirty or non-functioning PCV valve, worn piston rings, an intake manifold gasket leak, worn engine oil seals and possibly even head gasket failure.Oil leaking into the cylinders can cause a rough idle, misfire a...

Read more

What would cause your car to smoke from the tire?

There could be several reasons such as, you forgot to release the e-brake and drove the vehicle with the e-brake on, or a grease seal went bad and grease is getting onto the hot brake drum or brake rotor, or brake fluid from a leaky wheel cylinder or caliper is getting onto the hot brake drum or ...

Read more

What causes GREY smoke from exhaust?

Grey Smoke Like blue smoke, it can mean that the car is burning oil or suffering from a bad turbocharger.It can also be the result of a faulty transmission vacuum modulator, which causes transmission fluid to get sucked into the engine and burned, or a clogged air filter.

Read more

What causes blue smoke from the tailpipe?

Probably it is burning oil.It happens if you a using a mist system of lubrication. If not, you should probably replace your piston rings. Combustion of oil causes fouling of the spark plug.

Read more

Can a restricted diesel air intake cause smoke?

It is highly possible, to be sure you should take it to a mechanic. Most mechanics will allow you to bring your car in, they will diagnose the problem for free and then you will be able to find out what the problem is for sure.

Read more

What will cause no air flow out of center vents on a 99 sl500?

a person satnding in the way of the vents

Read more

Why would the air conditioning only blow air from the defrost and floor vents and not the dash vents?

I would think that is a vacuum or a linkage problem with the heater control assembly (where all the buttons/slides are for changing between floor/defrost/vent) Had a diaphragm go bad on one once, and in a jeep cherokee, a slight collision with a guard rail knocked a vac line off for the vent cont...

Read more

Why does no air at all coming out of your vents in your car?

Check the fuse as per the owners manual and if the fuse is o.k, then the blower may be faulty. check the blower then. if both of these are good, the problem is expensive.

Read more

What might cause a car to shimmy?

Worn front end parts, suspension issues, slipped belt in the tires, tire balance problem.

Read more

What causes blue smoke to come out of the exhaust?

blue smoke is caused by oil burning in the igntion chamber. oil gets there thru bad oil rings on pistons,or bad valve stem seals in the head,

Read more

Thick white smoke coming from tailpipe?

Get a oil changeYou may have a bad head gasket, or a cracked head, or both.

Read more

When white smoke comes from radiator of your car?

Coolant gets hot. Either there's a radiator leak, or you opened up the cap without letting it cool down.

Read more

What causes smoke to come out of the tailpipe of a car?

If it is really smoke, then it is almost always caused by burning of oil that enters the engine due to bad seals and rings.

Read more

What causes smoke to come out when a car is started?

The most common cause is worn valve guides. Any oil sitting on top of the valve will run down the valve stem while the car is not running. When you start the car, the oil that has accumulated at the valve seat immediately gets sucked into engine and burned off when the engine starts. This results...

Read more

Smoke coming from dipstick on peugeot 306?

Either the PCV (Positive Crankcase Ventilation) system is not working correctly or the engine has excessive "blow-by" usually resulting from a high mileage/tired engine.

Read more

When come black smoke from exhaust manifold?

Generally a sign of burning oil

Read more

Which is the smoke coming from automobiles?

CO2, more commonly known as Carbon Dioxide. It is compiled of one carbon atom, and two oxygen atoms.

Read more

What causes white smoke to come out of tailpipe?

The white smoke coming out of a tailpipe is called steam. It is caused by water leaking into a cylinder. It can be caused from a blown head gasket letting water from your cooling system leak into a cylinder. When the gasoline and air burn, it makes the water in the cylinder turn to steam. The ste...

Read more

What would cause white smoke to come out of tailpipe?

Causes of White Exhaust Smoke.One of the main causes of white exhaust smoke and coolant loss is a cracked or warped cylinder head, a cracked engine block, or head gasket failure caused by overheating.A cracked head may allow coolant to leak into one or more cylinders or into the combustion chambe...

Read more

Do harmful gas comes out of the air vents in the car?

Not really unless you have another problem under the hood. If your concern is Carbon Monoxide from Exhaust, check your manifold gaskets (this is where the manifold meets the engine) and be sure they are not leaking.Common odors emitting from your vent can be Must or Mildew from a dirty Air Condit...

Read more

What would cause a slight jerking motion from front of car and white smoke to come from exhaust pipe when accelerating?

White smoke from the exhaust is a sign of coolant in the combustion chamber, and can be a blown head gasket or cracked head. This is very serious and will cause severe engine damage. Have this looked at by a professional. A slight jerking motion in the front while accelerating is possibly torque ...

Read more

What does white smoke coming from exhaust mean?

The white smoke is the result of normal condensation which builds up inside the exhaust system.Thick smoke usually comes from the faulty in engine coolant, which could lead to many serious problems like damaged cylinder head, blown head gasket, cracked engine block… which might cost drivers quite...

Read more

What would cause Water to blow into the car from the defrost vents?

If we are talking rain water not engine coolant I would suspect the drains under the cowl are plugged up with debris (leaves and such). If it is engine coolant then I would suspect the heater core is leaking.

Read more

What might cause an tire maintenance light on a Nissan Altima to come on?

Low tire pressure, faulty TPMS sensor, faulty TPMS module, bad bearings overheating and causing excess tire pressure as a result.A tire with low air pressure will do that.

Read more

Can carbon monoxide come through car vents?

Exhaust inside a car is bad.It can come in through your vents, through the floor, or through the firewall.No matter where it's coming from, you should get it fixed because you can pass out from carbon monoxide, and if the engine keeps running after the crash it could kill you.

Read more

Why would smoke pour from your ac vents without the ac running?

The heater core is leaking coolant.

Read more

Can a bad o2 sensor cause white smoke from exhaust?

When operating properly, the O2 sensor cannot cause your engine to smoke.If your car runs excessively lean for an extended period of time, you could cause serious engine damage, resulting in black, white or blue smoke from the exhaust, but usually you will be alerted to other symptoms first, such...

Read more

What causes White smoke from exhaust when im idle?

Piston rings or Rich oil .

Read more

What causes grey smoke from your exhaust when idling?

Black smoke means you're burning fuel, blue smoke, you're burning oil, white smoke, you're burning coolant.

Read more

What can cause white smoke and water from exhaust?

One of the main causes of white exhaust smoke and coolant loss is a cracked or warped cylinder head, a cracked engine block, or head gasket failure caused by overheating.Intake manifold gasket and head gasket failures are two of the most common sources of internal coolant loss caused by engine wear.

Read more

Why does a fog come out of your car vents when you turn on the air conditioner?

Smoke, Mist or Fog will come out of your A/C vents on hot, humid days. The reason for this normal phenomenom is the cold, dry air coming from your A/C vents is lower than the dewpoint of the interior cabin. Basically what this means is that cold, dry air is mixing with hot, humid air and causing ...

Read more

What causes flames to come from carburetor?

Carb flames are causes by a variety of things. most often the engine is advanced to far or you have a carb leak interally that puts to much fuel in the engine. If the engine has high miles the intake valves may be leaking allow the flame to escape around it.

Read more

What causes your front ac vents not to blow a lot of air on a 1995 ford E 150 van?

Faulty blend door control, clogged cab filter, weak HVAC blower, obstruction in the HVAC ducts.

Read more

What causes the air conditioner on a 2003 Chevy trailblazer to stop blowing through the ac vents and start blowing through floor and defrost vents?

Check for a vacuum leak -sounds like it is starving for vacuum and reverts to the default position

Read more

Where is the air intake vent on a car?

On the outside of your vehicle at the bottom of the windshield, you'll see air intake vents.With the AC fan running at full power, you should be able to feel air being sucked in.Take the can of Lysol and spray into this vent thoroughly and on both the driver's and passenger's side.

Read more

What would cause black or dark smoke to come out of a 2007 a4 2.0t quattro?

A fire would be the main cause but if there are no flames you should have the engine checked for problems under the hood. There maybe a leak of some sort and it may be burning on the engine.

Read more

What causes cars to smoke?

It depends on the type of "smoke".1. Blue-Grey smoke is typically particles of unburned oil. If an engine is doing that you should see the engine using oil. Watch the dipstick and don't let the engine run out. Rarely the condition can be caused by a leaky vacuum modulator in the transmission, but...

Read more

What causes white smoke to come out of exhaust on a Yamaha 350 big bear ATV?

usually a cracked head but i dont think that bike is liquid cooled

Read more

What cause car to smoke?

the dirt emitted through the gas being used up by the car for it to accelerate its speed and make it run.

Read more

What causes the air condition fan not to come on?

faulty thermostat, stuck fan relay, bad fan motor, no voltage to motor, bad circuit board, bad run capacitor...

Read more

What could cause white smoke to come out of the exhaust of a 1989 240sx?

White smoke from the exhaust is a sign of coolant entering the combustion chamber. Usually a blown head gasket or cracked head. STOP driving the car immediately. Severe engine damage will occur if you continue to run this engine. Sounds like steam......you may be getting coolant into the combusti...

Read more

Why is white smoke coming from my exhaust?

One of the main causes of white exhaust smoke and coolant loss is a cracked or warped cylinder head, a cracked engine block, or head gasket failure caused by overheating.A cracked head may allow coolant to leak into one or more cylinders or into the combustion chamber of the engine.

Read more

What might cause a increasing noise coming from the driver's front side wheel with acceleration that transmits to a vibration in steering wheel?

If the car is front wheel drive, could be worn left drive shaft/universal joint, especially if you hear cracking noise when turning tight and accelerating. You can check for broken rubber boot around the joint. If the car is 4 wheel drive, noise/vibration can come from damaged front transfer case...

Read more

Your car engine has smoke coming from it What is the problem?

Blue smoke, burning oil. (tired)White smoke, burning coolant. (bad head gasket)Black smoke, excess gasoline (flooding).

Read more

What could be wrong if your car has blue smoke coming from the exhaust?

If your engine is blowing blue smoke your engine is burning oil.If the smoke is present on acceleration, the piston rings are bad.If smoke is present on deceleration, then the valve guide seals are bad.

Read more

What temp should heat be coming out of car vents?

With an outside temperature of about 90F (32C), you would expect a thermometer reading of between 40F-50F(5C-10C) in the air conditioning duct.Anything above this would require servicing by a qualified auto air conditioning mechanic.

Read more

Nissan Micra white thick smoke coming from exhaust?

Coolant entering the combustion chamber. You have a blown head gasket or a cracked head. Warning: Stop running this engine or serious damage will occur.

Read more

Why is there Smoke coming from steering column?

its happened to me.....my mechanic says it was the ignition switch of my car....had it replaced for $300

Read more

Why is black smoke coming from my exhaust pipe?

Black exhaust smoke means the engine is burning too much fuel.The first think you should check is your air-filter and other intake components like sensors, fuel injectors and the fuel-pressure regulator.Other reasons could be a clogged fuel return line.

Read more

Why is white smoke coming from the right front area?

I sincerely hope you're talking about a car.If you are, check your brakes.If you aren't, see a Doctor.

Read more

Why is smoke coming from under my hood?

White smoke: Water condensation or antifreeze has mixed with the fuel supply.If the smoke is coming from under your hood, that probably means you ignored white smoke coming out of the tailpipe, and now your engine is overheating.Or maybe you completely forgot to add coolant at all, and the engine...

Read more

Why is white smoke coming from under my hood?

White smoke: Water condensation or antifreeze has mixed with the fuel supply.If the smoke is coming from under your hood, that probably means you ignored white smoke coming out of the tailpipe, and now your engine is overheating.Or maybe you completely forgot to add coolant at all, and the engine...

Read more

What is the air sound coming from the brakes?

That sound it the air being aloud to escape from the air system though the quick release valve. This usally happens when the driver has applied the parking brakes. But, it can happen during other times you dont want it to.

Read more

What causes smoke to come from under the hood while the car is idling or after the car is turned off?

That could be a variety of things - could be overheated (radiator) could have blown a gasket (oil) could have a hose that is off or loose.Best to get it checked.

Read more

Why small amount of a-c air coming out of vents when switch on high on a 96 chev 7.4?

Could be,The blower speed switch or electrical plug at switch is burned out.The high speed blower relay is burned out.The blower motor is on its way out.The blower motor speed control resister is burned out,The cabin filter (if applicable) is very dirty.

Read more

What causes raw gas smell from heater vent on 2001 spectra?

im not sure its gas you smell. it could be but there is an extremely small chance of it being gas. fuel would have to be leaking into the air duct system some how and the two are not in any way connected. the air going into the cabin is completely separate from the air going into the engine. most...

Read more

What causes poor air flow from a 2004 Hyundai Accent air conditioning system?

Could be a dirty cabin filter.

Read more

Can bad spark plugs cause smoking from under the hood of a car?

Not likely. Smoke from under the hood denotes a leak. Either your coolant or oil is leaking. White, thick smoke is oil. Could just be a gasket. Thinner hazy smoke is coolant. Check your hoses. Look for fluids/wet spots. Bad plugs can missfire, and make your exhaust smoke.

Read more

Will a air leak cause white smoke in a S500 Mercedes?

categorically "no," suspect a head gasket.

Read more

What would cause white smoke from a 2.4 engine A 1997 Dodge Stratus?

White smoke from the exhaust is a symptom of coolant in the combustion chamber. Normally this is caused by a blown head gasket or cracked head. Stop driving the car immediately and seek professional help, as severe engine damage will occur. White smoke from the exhaust is a symptom of coolant in...

Read more

How to remove Cat pee in car air vent?

urine neutralizing sprays are available - you may need to disassemble the car to get to all the stinky parts. Other option - sell the car after coating the ac vents with aerosol spray.

Read more

What could cause smoke to derail from the hood of your car after a minor car collision?

could be steam from a leak caused by the accident in the coolant system or smoke from a transmission cooler leak they are both up in the front of the car.

Read more

What causes the front air conditioner on 1999 Lincoln navigator to stop blowing through the ac vents and start blowing through the defrost vents?

When there is a problem in the vent system it defaults to defrost setting. Check the doors & vac supply

Read more

What would cause a whistle sound in front tire and smoke from Ford Expedition?

Could be a wheel bearing assembly bearing gone bad.Could be a sticky brake caliper with brake pads worn down to the "squealers".

Read more

Odor coming from vent in auto when fan is turned on?

If its a sweet smell you may have a heater core leak and the fan is blowing antifreeze thru the vents. If its a moldy rotten smell you have mold growing in your vents. This happens when the moisture does not drain properly causing mold. You can purchase a spray at most auto parts store to kill an...

Read more

What causes condensation on AC vents?

Generally, there will be less water leaking as a result of a refrigerant leak than a clogged condensate drain.A refrigerant leak causes AC vents to leak water in almost the same way a dirty air filter does.When it melts, the condensation can drip out of AC vents in the ceiling.

Read more

What causes a car to smoke an leak clear fluid?

That depends on the color of the smoke. If it's white smoke, then you probably have a problem with the manifold gasket. Blue means it' burning oil. The "clear fluid" is probably just condensation from the air conditioner or the tail pipe.

Read more

Can too much oil cause white smoke from exhaust?

If thick, white smoke comes out the exhaust pipe, this can be an indication that there is too much oil in the engine.This may also be antifreeze burning, so it is best to take the car to the mechanic, because any of the causes of the smoke can be disastrous for the car.

Read more

What could cause a scraping sound coming from the front end of my car while turning?

Could be a few things, maybe as simple as a portion of the inner skirt is rubbing on a tire when turning. Could also be a wheel bearing, front axle cv joint (front wheel drive) or even worn down brakes. In any event I would have a mechanic take a look at it before it could get costly and dangerous.

Read more

What causes steam to come from the hood of a car?

That'll be your coolant, and there could be a number of things causing it... a blown head gasket will do it... a coolant leak where the coolant leaks onto a hot engine block will do it... a faulty radiator cap which opens too easily can cause this.... excess coolant causing the system to overpres...

Read more

What causes the car to smoke?

If there is a problem within the engine that produces smoke, that smoke will exit the engine through the exhaust.A leaking valve cover gasket might produce smoke caused by oil dripping on a hot manifold.Read on for common issues that can cause exhaust smoke.

Read more

What causes a car to bog out and blow smoke?

That's pretty broad... many things could make this happen, from head gaskets being blown to bad oil.What color is the smoke? Did the car make any sounds? Did you notice any difference in performance at any point leading up to the breakdown?To get the best answer, give a very concise, specific que...

Read more

Why is it that the side and floor air vents on a car work but not the middle vents?

Don't know what vehicle you have but, sounds like the duct work came apart for the middle vents.

Read more

What causes a high pitch whistle sound coming from cars engine?

the high pitched sound which I'm guessing is the whirring sound from the engine's turbocharger/supercharger. the sound comes when the impeller blades of the TC/SC rotates at very high velocity.... it's very similar to the sound of a jet engine but only on a small scale.

Read more

What causes a car to make Black Smoke?

to much fuel. gm jim Fuel to air mixture too rich or choke stuck on.

Read more

Why would my car slow and the gas pedal resist and there be power but it not turn on and there be smoke coming from my air filter?

take that to a very trusted mechanic! right now!your cylinder head is probably warped,or your valves have shattered,or pre-igniton,or a ton of other problemsseriously you shouldn't even drive it to the mechanic, you should tow it!and yes its that bad.pricewise your looking at 1-3 thousand dollars...

Read more

What is wrong if a 2001 Mecruy Sable's air conditioning fan was running but suddenly stopped blowing cold air and a puff of smoke came out of the air conditioning vents?

On sables and tauruses there is a defect with the blower motor resister which causes a short in the electrical circut from the power distrabution box to the blower switch to the resister in the a/c housing(the smoke) start by repairing the wires to the resister and the resister your local ford de...

Read more