Quick Answer: Why Is My Car Smoking But Not Overheating?

Why is my car smoking from under the hood?

The most common cause of smoke under the hood is small amounts of motor oil or other fluids accidentally spilled or leaking from a bad gasket or seal onto a hot engine or the exhaust system.

Those other fluids may include engine coolant, power steering, brake and transmission fluid, even window washer solvent..

What does GREY smoke mean?

• Grey smoke from the exhaust: This could be excess oil, a PCV valve failure or a transmission fluid leak on automatic cars. • Black smoke from the exhaust: In a petrol car this suggests too much fuel is being burned and could be a sign of air filter or fuel injector problems.

Will car smoke if low on coolant?

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. … Dirty coolant, a poorly maintained cooling system, a low coolant level, or a non-functioning cooling fan can cause engine overheating.

When should you not drive your car?

If your temperature or oil light comes on. Driving with no oil pressure or an overheating engine can cause serious (and expensive) damage to a car in just minutes. If you see these lights come on, or if you see your temperature gauge creep into the danger zone, don’t wait. Pull over and check it out.

What’s a blown head gasket?

Blown head gasket causes Your car’s engine operates in extreme conditions with intense heat. If this heat becomes more than normal, your engine can overheat causing a blown head gasket. The extra heat results in the cylinder head and engine block expanding too much which results in a failure in the head gasket.

What to do if car engine is smoking?

If you notice your engine releasing steam or starting to smoke up, pull your car over when it is safe to do so and turn your engine off. If you are comfortable doing so, pop the hood of the car. Dot not pop the hood until the engine has cooled. Do this only if you feel it is safe to do so.

Why is my car smoking from the front?

While there are several different causes, such as coolant entering the combustion chamber, a cracked engine block or cylinder head, or a leaking head gasket, if you notice any smells associated with the smoke, such as a sweet smell, the coolant may be the cause of the smoke.

Can I drive my car if it’s smoking?

It depends on the source of the smoke. … If the smoke is from engine oil dripping onto a hot exhaust manifold, you could end up with an engine fire. Smoke is serious so the bottom line is unless you know exactly why it’s smoking there is no other prudent course but to just not drive the vehicle until it’s repaired.

Why is white smoke coming from my exhaust?

White Smoke From Tailpipe If you notice white smoke coming from your tailpipe constantly, even on warm days, that could be caused by an engine that’s consuming coolant. … Coolant being burned up in the engine typically points to a leaking head gasket.

What color smoke is bad?

Blue or gray exhaust smoke Blue/gray exhaust smoke means there’s likely an oil leak and your engine is burning oil. Time to have a qualified technician check things out. The leak could be caused by several issues like leaking valve seals, damaged piston rings, or worn cylinder walls.

How do I fix my car from overheating?

If your engine is overheating, do the following to cool it down:Turn off the air conditioner. Running the A/C puts a heavy load on your engine.Turn on the heater. This blows some excess heat from the engine into the car. … Put your car in neutral or park and then rev the engine. … Pull over and open the hood.

How do I know if my Headgasket is blown?

Common symptoms of a blown head gasket include the following:External leaks of coolant from under the exhaust gasket.Overheating under the hood.Smoke blowing from the exhaust with a white-ish tint.Depleted coolant levels with no trace of leakage.Bubble formations in the radiator and overflow compartment.More items…•

Can I drive my car with white smoke?

White smoke also needs to be checked immediately, because it can be a sign that your engine is on its last legs. … And if you drive a petrol car and see white smoke, it’s really not good news. It could be that either the cylinder block or head are cracked, or that the head gasket is leaking.

Can low oil cause white smoke?

If your engine is low on oil there is a possibility that there’s an external oil leak and the engine oil is leaking onto the exhaust system.