What Causes the Fuel Tank Cap to Not Open?

1 Answers
StSabrina
07/25/25 7:14am
Here are the specific reasons why a car's fuel tank cap may not open: 1. The fuel tank cap is stuck or rusted: You can insert a wooden piece into the gap of the fuel tank cap to pry it open while simultaneously activating the pull switch of the fuel tank cap. 2. The pull cable is too long: If the pull cable is too long or has stretched over time, it may not fully engage when the handle is pulled, preventing the fuel tank cap from opening. This could also be caused by issues with the handle or the locking mechanism of the fuel tank cap. 3. The fuel tank cap spring has lost its elasticity: You can install a small spring on the protruding rubber pad of the fuel tank to increase the elasticity between the fuel tank cap and the locking mechanism.
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