What are the reasons for the fuel tank cap lock key not turning?

1 Answers
CalebLee
07/30/25 8:28am
Here are the specific reasons why the fuel tank cap lock key may not turn: 1. Connection device failure: The fuel tank cap connection mechanism may have come loose due to driving over bumps. 2. Frozen in winter: The fuel tank cap area may freeze in winter, making it impossible to open with the key. Do not force it open, as this can easily damage the fuel tank cap. Only use hot water to thaw the frozen area to speed up the melting process. 3. Wrong key turning direction: Incorrect operation, such as turning the key in the wrong direction. In most cases, turning the key clockwise unlocks it, while turning it counterclockwise locks it. 4. Lock cylinder failure: The lock hole may rust due to prolonged disuse. Try adding some engine oil to the lock cylinder.
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