Some problems on our vehicles seem trivial but can be annoying, such as a window that no longer goes down. Others, even if they are not serious, will prevent you from using your car in a normal way, such as having a flat tire or having the fuel cap of your car stuck. You will no longer be able to fill your tank and therefore eventually not be able to use your vehicle. It is precisely for this reason that we have written this article to help you find a quick solution to your fuel cap problem so that you can use your car normally. To do this, we will first try to understand why the fuel cap of your car is blocked, and secondly, how to unblock it.

fuel cap stuck on my car

Why is the fuel cap on my car stuck?

So let’s start our article with the origins of your tank cap problem on car. We will try to present you the different causes of a blockage of this one.

Fuel tank cap with locker stuck on my car

In case your car is equipped with a tank cap with lock you will be in the most delicate situation, because the locks of these caps can get gripped with time and prevent you from accessing the entrance of your tank. It is also possible that the lock of your tank has twisted and no longer reacts to the key of your car.

Conventional fuel cap stuck on my car

Second case, and the simplest, in the case of a classic tank cap that has no lock and is generally protected by a closed fuel door, if you have blocking problems on this type of cap, it is generally only linked to a cap that has not been closed in the axis and the thread of the latter is therefore blocked.
<2>How do I unlock the fuel cap on my car?

Second part of our article, we will try to give you the different solutions to get rid of your fuel cap stuck on your car and allow you to put petrol in your car. If you are victim of a fuel trap blocked on your vehicle, do not hesitate to consult our article on this subject to unlock it.

Use some anti-seize agent to unlock your fuel cap

First option and the one you should consider first. You have the possibility to unseal your car’s stuck fuel cap, to do this you will need to use a WD40 anti-seize type product to lubricate the barrel of your cap. Don’t hesitate to put some in quantity and wait a few minutes for it to take effect, and try again to open the fuel cap of your car. If it does not work, repeat the operation and let it work longer.

fuel cap stuck on my car

Use the duplicate key to unlock the fuel tank lock of your car

As a second alternative, you can try to use your spare key, which normally being much less used should more easily unlock the lock on the tank cap of your car. This may seem obvious but sometimes it all comes down to small details. In any case, if you have managed to open your tank, we advise you to buy a new tank cap to avoid getting stuck in this situation again.

Shake the key while trying to open the tank

Finally, last option, you can try to play the key in the lock of the fuel cap of your car to facilitate the opening of it. Indeed, if the cylinder is a little seized up or damaged, it will unlock more easily by moving the key in different axes at the same time as you try to rotate it.
Lock, fuel cap problem