Some concerns on our vehicles seem insignificant but can be bothersome, such as a window that no longer goes down. Others, whether or not they are not serious, will restrict you from using your car in a ordinary way, such as having a flat tire or having the fuel cap of your Peugeot 508 stuck. You will no more manage to fill your tank and therefore finally not be able to use your motor vehicle. It is exactly for this reason that we have made this article to help you find a quick solution to your fuel cap trouble so that you can use your car normally. To perform this, we will first try to understand why the fuel cap of your Peugeot 508 is blocked, and then, how to unblock it.

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Why is the fuel cap on my Peugeot 508 stuck?

So let’s start our article with the origins of your tank cap problem on Peugeot 508. We will try to describe you the different triggers of a blockage of this one.

Fuel tank cap with locker stuck on my Peugeot 508

In case your car is outfitted with a tank cap with lock you will be in the most tricky condition, because the locks of these caps can get gripped with time and stop you from being able to access the entry of your tank. It is as well possible that the lock of your tank has twisted and no longer reacts to the key of your Peugeot 508.

Conventional fuel cap stuck on my Peugeot 508

Second cause, and the most simple, in the event that of a classic tank cap that has no lock and is normally protected by a closed fuel door, if you have blocking concerns on this kind of cap, it is frequently 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 Peugeot 508?

Second part of our article, we will try to give you the different solutions to get rid of your fuel cap stuck on your Peugeot 508 and let you to put petrol in your car. If you encoutering a fuel trap blocked on your Peugeot 508, do not think twice to browse our article on this subject to unlock it.

Use some anti-seize agent to unlock your fuel cap of your Peugeot 508

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 Peugeot 508. If it does not function, replicate the procedure and let it work longer.

Use the duplicate key to unlock the fuel tank lock of your Peugeot 508

As a second solution, you can try to use your spare key, which often being much less used should more easily unlock the lock on the tank cap of your Peugeot 508. This may seem obvious but occasionally it all comes down to small details. No matter the reason, 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 Peugeot 508

To finish , last solution, you can try to play the key in the lock of the fuel cap of your Peugeot 508 to facilitate the opening of it. In reality, if the cylinder is a little seized up or broken, it will unlock with less effort by moving the key in different axes simultaneously as you try to rotate it.

If you need more guides on the Peugeot 508, go to our Peugeot 508 category.