New car smell? Maybe because of the leather seats (if you have leather seats..)
It all depends if the car is running lean or rich, if its burning oil, if its burning coolant. a clean running car doesn't really have a strong smell. By the way, exhaust fumes are toxic. It contains carbon monoxide and it is highly toxic. So don't go around smelling car smoke.
There are a few reasons why your car might smell like fish. Fish could have been at one point stored in the car.
because your engine is going to break down or when you start the car if the whether is cold, it makes it smell like gas
Check the belts. The smell could be from a belt wearing out or from a pulley being stuck and the belt having to drag over it.
Could be overheated coolant or just leaked oil burning off your exhaust headers
there could be a problem with the motor, or a burning glue gun in the car, or your simply crazy
Because your burning your clutch.
Because some rubber is burning.
The new car burning smell is probably just the oils burning off the engine. As the engine warms up for the first time, it will release a odor that smells like something is burning.
A burning smell from a car's brakes means that you are braking very hard or there is a electrical short circuit in the car. Another reason for a burning smell may actually be coming from the car's heater.
Sounds like you've got burning oil, probably due to a leak.
because the fan belt is burning
Generally a burning plastic smell in a car indicates wiring getting hot enough to melt the insulation. This is something that should be looked at immediately to prevent a fire.
Defrost uses the a/c, if it doesn't smell the same with a/c only on. The smell is coming from the blower motor. Bmw's for example have a problem where the blower blade contacts the plastic housing and causes it to rub/melt.
Your car smells like burning rubber because a tube or a wire has gotten loose and has come against a hot part. Rubber is burning. Something is wrong. The smell is the symptom. The fire that will happen when the rubber has completely burned away and the fire breaks out is the disease.
Several thing scan cause a burning smell from a car A/C. One cause can be that the compressor is burning up. Another possibility is a wiring shortage.