Some concerns on our vehicles seem insignificant but can be annoying, such as a window that no longer goes down. Others, whether or not they are not severe, will block you from using your car in a ordinary way, such as having a flat tire or having the fuel cap of your Fiat 500 L stuck. You will no more be capable to fill your tank and therefore sooner or later not be able to use your vehicle. It is exactly for this simple reason that we have written and published this document to help you find a rapid solution to your fuel cap problem so that you can use your car normally. To accomplish this, we will first try to understand why the fuel cap of your Fiat 500 L is blocked, and then, how to unblock it.

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Why is the fuel cap on my Fiat 500 L stuck?

So let’s begin our document with the origins of your tank cap problem on Fiat 500 L. We will try to present you the different triggers of a blockage of this one.

Fuel tank cap with locker stuck on my Fiat 500 L

In case your car is outfitted with a tank cap with lock you will be in the most tricky situation, because the locks of these caps can get gripped with time and restrict you from accessing the entrance of your tank. It is also possible that the lock of your tank has twisted and no longer responds to the key of your Fiat 500 L.

Conventional fuel cap stuck on my Fiat 500 L

Second cause, and the least difficult, in the case of a classic tank cap that has no lock and is usually protected by a closed fuel door, if you have blocking concerns on this kind of cap, it is mostly only caused by 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 Fiat 500 L?

Second part of our document, we will try to give you the different possibilities to get rid of your fuel cap stuck on your Fiat 500 L and allow you to put petrol in your car. If you suffering a fuel trap blocked on your Fiat 500 L, do not hesitate to read our document on this subject to unlock it.

Use some anti-seize agent to unlock your fuel cap of your Fiat 500 L

First option and the one you should consider first. You have the possibility to unseal your stuck fuel cap, to perform 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 Fiat 500 L. If it does not function, replicate the operation and let it operate for a longer period.

Use the duplicate key to unlock the fuel tank lock of your Fiat 500 L

As a second solution, 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 Fiat 500 L. This may seem evident but in certain cases it all comes down to small details. Whatever the case, if you have been able to open your tank, we encourage you to buy a new tank cap to avoid getting stuck in this circumstance again.

Shake the key while trying to open the tank of your Fiat 500 L

Finally, last method, you can try to play the key in the lock of the fuel cap of your Fiat 500 L 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.

To get more tips on the Fiat 500 L, take a look at the Fiat 500 L category.