Quick Answer: How Do I Fix White Smoke From Exhaust?

Does white smoke always mean blown head gasket?

The most common sign of a blown head gasket is exhaust smoke.

White smoke indicates that your car is burning coolant that is leaking into the cylinders.

A similar problem is indicated by blue exhaust smoke, though this is a sign of oil leaking from the gasket..

How do you diagnose white smoke 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. A cracked head may allow coolant to leak into one or more cylinders or into the combustion chamber of the engine.

What does white smoke from the tailpipe usually indicate?

1. 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.

Why is my car smoking but not overheating?

If there’s burnt fuel inside the engine, the oil filler cap can release a little bit of smoke but not cause the car to overheat. This could also happen if the piston rings are worn out or the PCV tube is clogged. These parts are used to drain off fuel into the cylinder, where it then burns and creates smoke.

Is a little white smoke from exhaust bad?

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 a lot.

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 low oil cause white smoke?

White smoke most likely would indicate that water or coolant is getting into the combustion chamber or exhaust port. … Another cause of the smoke could be that the oil originally in the engine was a mineral oil but was replaced with a synthetic oil, which has a greater cleaning effect on varnish and soot deposits.

Why does white smoke come out of my exhaust when it’s cold?

On cold winter days, it is common to see white smoke from exhaust pipe as soon as you start the car. This is nothing but steam caused due to condensation. As the engine warms up after a few minutes, this white smoke will not be reduced because condensation is dissipated.

Can I drive with white smoke from the exhaust?

No, it is not recommended. Due to the fact that white smoke is indicative of a blown head gasket serious engine damage can occur if you continue to drive.

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.