Is Filling The Petrol Tank To The Brim Dangerous?

Is it harmful to fill the fuel tank to the top? Not only is it not harmful, but it is recommended but fill the fuel up to the first click of the filler gun, not “to the cap…”

Many people believe in misconceptions, so they do not fill the fuel tank to the top, thinking that this causes damage to the ignition system, and that this increases the risk of ignition at high temperatures and in the event of a collision. If the fuel system is correct, there is no harm, and, theoretically, a full fuel tank is safer than an empty one, both at high temperatures and in the event of a crash. Ignition, or explosion, occurs much more easily in fuel vapors than in liquid fuel, writes N1 Zagreb.

To the top of the tank

That’s why you should always fill the fuel up to the top of the tank (of course, if you have the money). There is no saving if you pour less, and in addition, you go to the pump less often, which saves time, effort, and money. Namely, with each additional filling, you have to travel at least a little longer, and a little fuel is always lost (evaporated) during filling.

It is recommended to pour the fuel as soon as the amount drops below a quarter. This avoids the risk of running out of fuel, which causes inconvenience and additional costs, especially if the diesel engine runs out of fuel. To restart the engine after pouring, the help of a mechanic is needed, reports Nacional.

Do not refuel “in installments”

There is also a safety risk if you run out of fuel on an obscure part of the road, in a bend, in a tunnel, on a viaduct… So, when the amount of fuel is close to the last quarter, go to the first pump and fill the tank to the top. But stop fueling at the first click, i.e., turning off the fueling gun.

Then do not add fuel “in instalments” “up to the cap,” as many do. Then the fuel can leak out through the vent, which is a financial loss, fumes harmful to health are produced, and there can be a risk of ignition, especially if the spilled fuel gets on the hot exhaust pipe.

Excessive fuel blocks the vent, increasing fuel vapor pressure and creating fuel back pressure, which impairs operation, shortens life, and can damage the fuel pump and fuel system components.

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