There isn’t a reliable short list of states where you can leave your engine running while you pump gas. Rules for fuel dispensing can come from state fire codes, local ordinances, and station requirements. The practical answer wherever you stop is the same: turn off your engine before you start fueling, and leave it off until you’ve replaced the nozzle and gas cap.
We recommend making that part of your routine rather than trying to remember a rule for each state. It takes a moment, keeps you aligned with the instructions posted at the pump, and reduces the chance that a running vehicle could move unexpectedly. If a station attendant fills your tank, shut off the engine before the attendant begins, too.
States and local jurisdictions adopt and enforce their own fire-safety rules. As a result, whether leaving an engine running is a legal violation—and what penalty might apply—depends on the rules where the station is located. A pump sign telling you to shut off the engine is worth following even if you don’t know which code requires it.
Don’t confuse an engine-off rule with a self-service rule. New Jersey requires attendants to dispense gasoline, while Oregon permits self-service at gas stations. Who operates the nozzle is a separate question from whether your vehicle should be running during fueling.
Put the vehicle in Park, set the parking brake as appropriate, and switch off the engine before removing the fuel cap. Use the fuel grade specified for your vehicle, keep the nozzle attended, and follow the station’s posted instructions. If you use a remote starter, make sure the engine is off before fueling begins; don’t restart it until fueling is complete.
For more everyday ownership guidance, see our petrol car ownership guide. Our team’s simplest advice for any road trip is to treat every gas stop the same way: engine off first, fuel second, then start the car when you’re ready to leave.
No. Keep the engine off until you’ve finished dispensing fuel, returned the nozzle, and secured the gas cap.
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