Can I Refuel My Car With The Engine Running?
The Answer
The answer is generally no, you should not refuel your car with the engine running. There are a few reasons for this.
Fire Hazard
The biggest risk of refueling with the engine running is fire. Gasoline is highly flammable, and even a small spark can ignite it. If the engine is running, there is a risk that a spark could be created by the ignition system or the exhaust system. This spark could ignite the gasoline vapors, causing a fire.
Evaporative Emissions
Another reason to avoid refueling with the engine running is to reduce evaporative emissions. Evaporative emissions are gasoline vapors that escape from the fuel tank and fuel system. These vapors can contribute to air pollution and smog. When the engine is running, the fuel tank is pressurized, which can cause more gasoline vapors to escape. By turning off the engine before refueling, you can reduce the amount of evaporative emissions.
Safety
Finally, it is simply safer to refuel your car with the engine off. When the engine is running, you are more likely to be distracted and make a mistake. You may also be more likely to spill gasoline if the engine is running. By turning off the engine, you can reduce the risk of an accident.
Exceptions
There are a few exceptions to the rule of not refueling with the engine running. These exceptions include:
- If you are refueling a diesel vehicle. Diesel fuel is not as flammable as gasoline, so there is less risk of fire.
- If you are refueling a vehicle in an emergency situation. If you are stranded on the side of the road and need to refuel, it is better to refuel with the engine running than to run out of gas.
Conclusion
In general, it is best to avoid refueling your car with the engine running. There are a few exceptions to this rule, but it is always safer to err on the side of caution. By turning off the engine before refueling, you can reduce the risk of fire, evaporative emissions, and accidents.
