What to Do If the Fuel Tank Cap Won't Open?

[StMiranda]

Specific reasons and solutions for a car fuel tank cap that won't open are as follows: 1. Fuel tank cap stuck or rusted: You can insert a small wooden piece into the gap of the fuel tank cap to pry it open. Remember to pull the fuel tank cap's latch switch while prying. 2. Pull cable too long: The pull cable may be too long or stretched after some use, preventing it from fully engaging when the handle is pulled, thus causing the fuel tank cap not to open. Alternatively, the issue may lie with the handle or the lock mechanism of the fuel tank cap. 3. Fuel tank cap pull cable detached: Open the trunk and locate the inner trim panel on the side of the fuel tank cap, which usually has a few plastic clips and is easy to open. Once opened, you will see the long pull cable for the fuel tank cap; simply pull it. If this doesn't work, try moving the movable parts of the locking mechanism while pulling the cable. Some cars have a dedicated locking switch installed on the locking mechanism. 4. Fuel tank cap spring lost elasticity: You can install a small spring (not too soft or too long) on the protruding rubber pad of the fuel tank to increase the elasticity between the fuel tank cap and the locking device.