Updated at: 05-03-2022 - By: micdot

You can use Drano to unclog your home’s clogged kitchen or bathroom drains right away. Is Drano safe to use in a gas tank? Let’s take a look and find out. If you put Drano in a tank of gas, what do you think will happen to it? For some reason, gasoline does not dissolve Drano. This causes the engine to splutter as it drops to the bottom.

A Dano is all that is needed to fix a clogged bathroom or kitchen sink. While it worked well for clearing your home’s clogs, it can also lead to other difficulties. Drano, particularly when applied on autos, can be damaging if improperly handled. It’s a common practice to put Drano in gas tanks. A Drano-laced gas tank can be a prank or an attempt to harm a car’s engine, but it’s a bad idea. Don’t put Drano in your gas tank if you value the health of your vehicle. If you put Drano in your gas tank, what will happen to your vehicle? Let’s take a look and find out.

What Happens If You Put Drano In A Gas Tank?

Drano should never be put in a gas tank. Clogging your carburetor is just one of the many problems it can cause. However, there are a variety of drain cleaners, such as Drano, on the market. It all depends on whatever Drano product is used. In addition, the crystal and Drano liquids are available. There is no difference between them.

Once inside the engine, the Drano will do no good. When using Drano, be careful not to get any inside your engine. I’d like to see you do everything in your power to prevent this at all costs. Almost as bad as putting water in your gas tank as putting a Drano in your gas tank, actually. The short-term and long-term repercussions of using Drano in your gas tank will now be discussed.

Short Term Effects

Both crystal Drano and liquid Drano have the short-term impact of causing the automobile to not start and splutter. Drano will sink to the bottom of your gas tank if there is any in there. Drano and gasoline are not a good match. ‘ As a result, your engine will either not start or grind to a halt.

Long Term Effects

Corrosion is the long-term consequence. Corrosion will occur on the car’s components if the Drano is allowed to sit in the tank and go through the engine for an extended period of time. As quickly as possible, we should get this taken care of.

Can You Pour Drano Into Your Gas Tank?

Doing so, of course, is permitted, but you should not. Drano is also used to play pranks, and some people do it to damage a certain vehicle’s engine by adding the chemical to its gas tank. So if you don’t do it, it would be beneficial. If you have a car, you’ll have to pay for the repairs. Drain cleaners come in two varieties: a liquid and a powder. Acidic and caustic. Modern engines will be severely harmed by either of these two. Rail fuel systems are also prone to this problem.

In order to start your engine, you’ll need oil, which the chemicals dissolve. A drain cleaner in your gas tank will wreak havoc if you start your automobile and drive it while doing so. It’s not just your fuel system that’s harmed when you get into an accident. Because it will pass directly through the engine oil, it will deteriorate the engine’s bearing surfaces. So, as soon as you suspect your gas tank contains Drano, take action.

Will Drano And Gasoline Explode?

The answer is no. Your choice of drain cleaner will have a significant impact on the outcome of the Drano treatment. The sodium hydroxide in the older formulations was quite corrosive. Pumping it into your engine will do more harm than good. Despite the fact that an explosion is not ruled out, it is unlikely to occur.. If your gas tank is empty, corrosion is likely to occur throughout the tank.

The Drano won’t mix well with the gasoline. As a result, the Drano may not mix effectively with the fuel, causing it to settle to the bottom of the tank. Immediately drain your tank if you discover a Drano in there. Remove your car’s gas tank and carefully clean it before reinstalling the gas tank.

Does Drano Ruin A Car Engine?

Yes. Drano can wreak havoc with your vehicle’s engine. In the first place, the drain cleaner doesn’t melt in the gas.

In this scenario, the Drano would end up in the gas tank’s bottom. The Drano will remain at the bottom of the pool. The Drano won’t burn if it’s picked up by the pump for gasoline. Your engine will splutter as a result. Your engine may operate normally again if the Drano has been removed from the fuel system. You need to get rid of it as quickly as possible because it will start corroding and rusting if left in place.

How Long Does It Take For Drano To Destroy An Engine?

The amount of Drano used will determine the price. Drano in the gas tank can cause the engine to wear down more quickly if you drive or even start the engine after using it. It is possible to extend the life of the engine by adding a tiny amount of fuel.

Can Drano Be Detected In A Gas Tank?

It’s possible to find out. Fuel and drench don’t mix well together. You’ll be able to tell the difference if you look closely enough. The Drano will settle towards the bottom of the gas tank, so be on the lookout for it.

What To Do If You Think You Have Drano In Your Gas Tank?

At all costs, avoid driving your vehicle. Stop quickly if you’re already driving. Fill your gas tank up to the brim first. Alternatively, you might seek the assistance of a mechanic.


So, to sum up, putting a Drano in a gas tank can result in serious injury or death. It has the potential to harm your car’s fuel pump, injectors, and engine.

The drain cleaner’s composition is an important consideration. Do not drive your automobile if it still has Drano in it, and make sure to remove all of it.