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What to Do When the Fuel Pump Keeps Clicking Off Before the Tank is Full?

2 Answers

VonLeah

09/04/25 3:42am

The solution to the fuel pump clicking off before the tank is full: Loosen the fuel pump nozzle slightly while refueling. The fuel pump nozzle has a sensor at the front that automatically shuts off the nozzle when it comes into contact with fuel to prevent overflow. If the nozzle is pressed too tightly during refueling, the rapid flow of fuel can cause it to splash up and trigger the sensor, leading to the nozzle clicking off. The full name of the car fuel tank is the automobile fuel tank, which is categorized by material into steel fuel tanks and aluminum alloy fuel tanks. Among these, aluminum alloy fuel tanks not only meet strength requirements but also offer significant advantages in corrosion resistance compared to steel and other new materials, making them the preferred choice for large buses and heavy trucks, which consume large amounts of fuel and require high fuel quality.

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Nancy

09/16/25 4:49am

I've been driving for over a decade, but recently I've been constantly encountering the problem of the fuel nozzle clicking off during refueling, which is really annoying. At first, I thought it was an issue with the fuel nozzle itself, but even after trying several different gas stations, the problem persisted. Later, a more experienced friend suggested that it might be a clogged charcoal canister in the fuel tank. The charcoal canister is used to balance the pressure in the fuel tank, and if it's blocked, it can prevent fuel from entering properly, causing the nozzle to click off. I tried inspecting it myself first—cleaning out the fuel filler neck to see if there was any sand or debris blocking it, but that didn't help. Eventually, I went to a repair shop and replaced the charcoal canister, which cost about 200 yuan, and the problem was solved. Now, every time I refuel, it goes smoothly, and I can ensure the tank is truly full. I recommend starting with a simple inspection of the fuel filler neck before rushing to replace parts—it can save you a lot of money.

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