Some trouble on our vehicles seem unimportant but can be bothersome, such as a window that no longer goes down. Others, even if they are not serious, will obstruct you from using your car in a usual way, such as having a flat tire or having the fuel cap of your Audi A7 stuck. You will no more manage to fill your tank and therefore ultimately not be able to use your car. It is exactly for this simple reason that we have written this document to enable you find a quick remedy to your fuel cap issue so that you can use your car normally. To do this, we will first try to understand why the fuel cap of your Audi A7 is blocked, and secondly, how to unblock it.


Why is the fuel cap on my Audi A7 stuck?

So let’s begin our document with the origins of your tank cap problem on Audi A7. We will try to show you the different causes of a blockage of this one.

Fuel tank cap with locker stuck on my Audi A7

In the event that your car is equipped with a tank cap with lock you will be in the most delicate scenario, because the locks of these caps can get gripped with time and restrict you from accessing the access of your tank. It is also possible that the lock of your tank has twisted and no longer responds to the key of your Audi A7.

Conventional fuel cap stuck on my Audi A7

Second reason, and the easiest, in the event of a classic tank cap that has no lock and is mostly protected by a closed fuel door, if you have blocking trouble on this kind 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 consequently blocked.
<2>How do I unlock the fuel cap on my Audi A7?

Second section of our document, we will try to give you the different alternatives to get rid of your fuel cap stuck on your Audi A7 and let you to put petrol in your car. If you are victim of a fuel trap blocked on your Audi A7, do not hesitate to browse our document on this subject to unlock it.

Use some anti-seize agent to unlock your fuel cap of your Audi A7

First alternative and the one you should consider first. You have the option to unseal your 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 momemts for it to take effect, and try again to open the fuel cap of your Audi A7. If it does not function, duplicate the operation and let it work for a longer time.

Use the duplicate key to unlock the fuel tank lock of your Audi A7

As a second solution, you can try to use your spare key, which most of the time being much less used should more easily unlock the lock on the tank cap of your Audi A7. This may seem evident but sometimes it all comes down to small details. Whatever the case, if you have managed to open your tank, we advise you to buy a new tank cap to avoid getting stuck in this scenario again.

Shake the key while trying to open the tank of your Audi A7

To conlude, last solution, you can try to play the key in the lock of the fuel cap of your Audi A7 to facilitate the opening of it. Indeed, if the cylinder is a little seized up or destroyed, it will unlock more easily by moving the key in different axes simultaneously as you try to rotate it.

If you want more tutorials on the Audi A7, go to our Audi A7 category.