Some problems on our vehicles seem unimportant but can be bothersome, such as a window that no longer goes down. Others, even if they are not severe, will prevent you from using your car in a ordinary way, such as having a flat tire or having the fuel cap of your Opel Mokka stuck. You will not anymore manage to fill your tank and therefore sooner or later not be able to use your motor vehicle. It is precisely for this reason that we have written and published this document to help you find a quick remedy 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 Opel Mokka is blocked, and then, how to unblock it.

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Why is the fuel cap on my Opel Mokka stuck?

So let’s start our document with the origins of your tank cap problem on Opel Mokka. We will try to tell you the different triggers of a blockage of this one.

Fuel tank cap with locker stuck on my Opel Mokka

If your car is equipped with a tank cap with lock you will be in the most difficult situation, because the locks of these caps can get gripped with time and prevent 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 Opel Mokka.

Conventional fuel cap stuck on my Opel Mokka

Second case, and the least complicated, 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 problems 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 Opel Mokka?

Second section of our document, we will try to give you the different alternatives to get rid of your fuel cap stuck on your Opel Mokka and allow you to put petrol in your car. If you suffering a fuel trap blocked on your Opel Mokka, do not think twice to browse our document on this subject to unlock it.

Use some anti-seize agent to unlock your fuel cap of your Opel Mokka

First alternative and the one you should reflect on first. You have the option to unseal your stuck fuel cap, to achieve this you will need to use a WD40 anti-seize type product to lubricate the barrel of your cap. Don’t be reluctant 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 Opel Mokka. If it does not work, duplicate the operation and let it work for a longer time.

Use the duplicate key to unlock the fuel tank lock of your Opel Mokka

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

To conlude, last alternative, you can try to play the key in the lock of the fuel cap of your Opel Mokka to facilitate the opening of it. Indeed, if the cylinder is a little seized up or destroyed, it will unlock with less effort by moving the key in different axes at the same time as you try to rotate it.

If you wish more guides on the Opel Mokka, go to our Opel Mokka category.