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Posted: 10th Oct, 2020    By: Pamilerin Ayoola


For e.g., some sort of difference in the colour of the smoke, white smoke from the exhaust, is certainly an indication that your beloved car is having a problem. Depending on the smoke source, the severity will vary. The problem may be triggered by the collection of condensation and may not have any immediate effects. But drivers need to know what white smoke means? Experts from Car from Japan would give you a straightforward response in this article on the key causes of the issue of white smoke and the best way to avoid these troubling issues. We also mention, in the end, some frequently asked questions that are closely linked to this issue. Let's go now!

What is the essence of white smoke?

Have you encountered the problem of 'White Smoke from Exhaust'? The trouble with white smoke is when your engine emits white smoke from the exhaust pipe. Depending on the thickness, white smoke can be a major concern or not. The white smoke is the product of natural condensation within the exhaust system that builds up. So if it's thin like a vapour, there's nothing to think about because it's going to easily vanish. On the other side, a pretty major challenge is heavier smoke.
Typically, dense smoke emerges from the defective coolant in the car, which could lead to many severe issues such as a broken cylinder head, blown head gasket; split engine block... which could cost drivers a ton. In this scenario, we recommend that you not overlook it. A coolant leak, even a minor one, will cause your beloved vehicles a significant risk of injury.

What is your car trying to tell you about white exhaust smoke?

The theme for today is white smoke from the exhaust that appears like a thin wisp. And not as frightening as it seems, it should not be a matter of worry for white smoke. The condensation accumulated is finding a way out of the vessel.

1.    Broken Fuel Pumping Injection

Does it run on diesel in your car? If the response is positive and when a lot of white smoke comes out when the engine starts, it means that the timing of the fuel pumping injection has stopped working.
Checking or modifying the injection on your own is not a suggestion from us because this activity requires a lot of expertise that should not be sought by inexperienced drivers. Instead, get your car checked by a mechanic without wasting much time.

2.    Coolant leaking

The leaking coolant is a more white smoke issue. When white smoke emerges while the car is driving, but not when you start it, the signal is clear.
The cause of this type of white smoke is due to the burning of coolant that has been messed up somehow. Or else, the car may heat up and exhaust white smoke when your car lacks coolant. For that cause, it is also really important to consider the temperature of the vehicle. When it's low on coolant, don't run the engine, as that can trigger something more serious.

3.    Problems From Other Parts

On many occasions, when the car is driving, a lot of white smoke fatigue may be a sign of costly and complicated problems. White gas exhausts in immense quantities when the cylinder head, head gasket, the fuel filter is broken, or the piston is obstructed or cracked. It may be costly to repair or upgrade these pieces.
The difficulty with a dilemma like that is that you can't be dilly-dallying. They take a more serious form as time passes by and the cost of maintenance goes straight up. Daily maintenance encourages you to recognize such a problem as quickly as possible and saves you some precious money.

How to Fix White Exhaust Smoke

In addition to taking it to the repair shop, you should do it at home to remedy white smoke from exhaust problems:

Step 1: Inspect The Intake Gasket

There is a gasket inside the vehicle that seals the manifold to the head. These components take on the task of supplying the combustion mixture to the separate intake port along with the coolant. In the cylinder heads, these ports will be mounted. Now you have to consider this: if it gets hurt, the coolant will penetrate the port and the combustion chamber when moving, producing white smoke.
Drivers have to cut the intake manifold and inspect the intake gasket to repair it. When a leak or rust happens, you know where to patch it. We switch to stage number 2 if it's perfect.

Step 2: Examine Further To Check The Head Gasket

Mind to do this step only when the intake gasket is working properly. Then we'll get to the head gasket after that.
To keep the coolant from getting to the cylinder, this is a car component that seals the cylinder head. In this component, any leak or damage provides an opportunity for the coolant to reach the chamber. Long story short, the exhaust pipe can emit white smoke. We will search the cylinder if this component is still good.

Step 3: Look For Any Crack In The Cylinder Head

The cylinder head is the aluminium part of the car, which is prone to breakage under overheated conditions. Since it connects to the engine block and head gasket, this part is essential. Sad news for car owners: You have to change it if this part is missing or disabled in some way.

White Smoke From Exhaust Question Frequently Asked

Why does my car start with white smoke from the exhaust?

There are many reasons why white smoke can be created. But if you get white smoke from start-up exhaust, it might be for the following reasons:
•    A cylinder head is broken or distorted.
•    Failure of the head gasket
•    Engine Block Cracked
The broken engine block, one of the most common triggers, will allow coolant to leak within the engine combustion chamber and cylinders, which is very unsafe and needs careful treatment.

When accelerating, what causes white exhaust smoke?

Either transmission fluid or burning coolant is the answer.
The engine sucks the fluid through a vacuum hose in the transmission fluid case, which leads to the white colour of smoke. The exhaust will also have the smell of burnt oil. If the white smoke is coolant, along with a sweet smell, your car has a crack in the cylinder head or a leaky head gasket.
In this case, whether the coolant is low or the engine has overheated, you should monitor the cooling system for friction. If it doesn't, there is usually a leaking gasket in your vehicle. To get it to run properly again, you need to replace it.
If the issue is with the fluid, by replacing the transmission vacuum modulator lever, drivers can repair it. Also, remember its level: To recover the level, you should apply the necessary form of fluid if it is tiny.

What makes white exhaust smoke smell like gas?

Drivers ought to consider the notion of smoke from engines. Typically, since it is added into the chamber, it is water vapour or steam. You're going to get water dripping from the tailpipe for that purpose. Water in the gasoline or a leak in the head gasket can also be seen by drivers.
You may think its natural, but that's the misfiring of the engine and the pressing of raw fuel out. The vehicle can run roughly in those situations, and drivers will detect a raw fuel odor.
To repair this, just check the fuel and, if necessary, refill it.

When idle, what produces white smoke from the exhaust?

If you have white exhaust smoke while stopping or idling, the engine in your combustion chambers can get oil inside, allowing the exhaust to burn off. This, along with the idle question, will trigger white smoke. Because there is a correlation between a burning fuel explosion and a burning oil explosion, this is very easy to understand.
Because the longer the oil lasts inside, the more harm it does to the spark plugs, which would need replacement, this issue should be solved quickly.

What triggers white exhaust smoke when it's cold?

White smoke can be very common in cold weather, but in certain cases, it is not. One of them is persistent white smoke while driving. White smoke can be unburned gasoline or coolant passing into the engine if you have a diesel. But mostly, in the cylinders, it is the wrong injector timing.
What is the difference between a gas engine and white smoke from an exhaust diesel engine?
White exhaust diesel and petrol engine smoke can be the indicator of multiple car issues. Let's look at these possible causes for the exhaust problem of producing white smoke.


There is no place for the white smoke problem to be ignored. Not only has white smoke influenced other cars, but it also indicates that the car needs extra treatment in distress. If you don't correct this before driving, it can trigger issues for you and the other drivers.
Again, to heal their precious cars, what car owners need to do is to stay cool. For that cause, it is strongly recommended to always take care of your engine.
Most of the Japanese automotive models, such as Toyota, Honda, Suzuki, Mitsubishi, Nissan, and BMW... are made with high-quality engines and components to prevent white exhaust smoke. To stop this poor condition, go for a Japanese vehicle. Carzout Nigeria get you covered.