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Why can the fuel tank cap of the Lamando still be opened after locking the car?

2 Answers

SanCamille

07/24/25 3:31am

The fuel tank cap of the Lamando can still be opened after locking the car due to a damaged fuel tank cap motor. This issue can be resolved by replacing the fuel tank cap motor at a repair shop. The ability to open the fuel tank cap after locking the car poses a significant safety hazard, and it is recommended to address this problem as soon as possible. Below is some information about the fuel tank cap: 1. The fuel tank cap refers to the cover of the container used to store gasoline in a car. The fuel tank is square-shaped, made of stainless steel, and has excellent sealing. It only has a small circular opening, about the size of a bottle cap, which makes it easy to store. 2. Generally located at the rear of the car, the fuel tank cap in sedans is usually operable from inside the cabin for remote control, providing great convenience to the owner. 3. If the fuel tank cap cannot be opened, you can start by accessing the trunk. First, remove the trunk lining that covers the fuel tank. The lining is usually secured by plastic clips and can be easily pried open with a screwdriver. After removing the lining, you will see the locking mechanism of the fuel tank cap and the cable used for remote operation. Simply pull the cable to open the fuel tank cap.

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VanLeonardo

08/10/25 11:06pm

I've been driving my Lamando for several years and encountered an issue where the fuel tank cap can still be opened after locking the car. It's most likely a problem with the central locking linkage system. The actuator might be stuck and unresponsive, or the wiring connector under the fuel tank cap could be loose or corroded, cutting off the power. Additionally, the door lock module might be faulty, causing the signal not to reach the fuel tank cap controller. There could also be a programming bug where the system doesn't reset after remote unlocking. I've tried troubleshooting myself by pressing the lock button and listening for a clicking sound near the fuel tank—if there's no sound, it's likely a mechanical or electrical fault. Check if the manual lock on the fuel tank cap is broken or if any fuses are blown. While this issue isn't urgent, driving with unlocked doors is unsafe and makes the car vulnerable to theft, so I recommend visiting a 4S shop soon to scan for diagnostic codes. Also, always ensure the fuel cap is tightly closed after refueling to prevent dust buildup, which can lead to poor contact.

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