Gassing up while running

Carlos Clark II MD · January 5

I know it can cause some issues with gas burners but can you fuel your duramax up while running without any problems?

Edited January 6 by Carlos Clark II MD

gemarsh · January 6

3 hours ago, Carlos Clark II MD said:

I know it can cause some issues with gas burners but can you gas your duramax up while running without any problems?

I would think there will be catastrophic problems gasing up your, running or not, dmax.

But if your fueling up with a running diesel, even with a lit cigar, you'll be fine.

Edited January 6 by gemarsh

CamGTP · January 6

I fuel my diesel work truck up all the time with it running in the winter.

I always shut my gas vehicles off while fueling.

carkhz316 · January 6

Lol, living in Minnesota my whole life, nobody (including myself) shuts their vehicle off while fueling in the winter.

CRApex · January 7

On 1/6/2024 at 7:23 AM, carkhz316 said:

Lol, living in Minnesota my whole life, nobody (including myself) shuts their vehicle off while fueling in the winter.

Except CamGTP who posted just before you. Lol.

I sometimes do, sometimes don’t, never has caused any issues when I let it run.

KARNUT · January 7

I do sometimes if it’s very hot or cold if I have passenger. When I was 17 pumping gas in New Jersey my first job. Most people in extreme cold left their cars running. Lots of the cars had the gas fill behind the license plate. Now days with the evaporation system I guess it could trip a light. I’ve never seen a vehicle at night shooting sparks out the exhaust pipe. I do know vehicles warm up after shutting off. My conclusion is it’s just another useless rule our government likes to impose on us. Maybe someone could explain this to me. When you see a police car behind a car on the side of the road. Why do they point the front end and wheels towards the traffic lane. Instead of towards the side of the road towards the woods?

garagerog · January 7

Stan, I would assume it's because it saves them a split second when they're after the next incorrigible, but for safety's sake it should be the way you've painted it.

NWStever · January 8

The Police are trained to position their patrol car to protect themselves against a drunk bozo side-swiping or rear ending them while the cop is at the driver's window of the pulled over violator. The patrol car "aimed" out into traffic provides a protective barrier.

newdude · January 8

Diesels I don't think it matters. No EVAP system on board. Big thing with gas vehicles is static electricity too. Getting in and out can cause it, phones, etc.

But the bigger reason I could think not to leave it running is crime/theft rates recently in the US. If its running and the doors aren't locked, you're asking for your truck to go missing vs. if its off, locked and the keys are on you.

Edited January 8 by newdude

carkhz316 · January 8

41 minutes ago, newdude said:

Diesels I don't think it matters. No EVAP system on board. Big thing with gas vehicles is static electricity too. Getting in and out can cause it, phones, etc.

But the bigger reason I could think not to leave it running is crime/theft rates recently in the US. If its running and the doors aren't locked, you're asking for your truck to go missing vs. if its off, locked and the keys are on you.

The cell phone thing is an urban legend, but everything else you mention is on point.

ArrowsmithPML · January 9

On 1/5/2024 at 3:52 PM, Carlos Clark II MD said:

I know it can cause some issues with gas burners but can you fuel your duramax up while running without any problems?

I've never had any problems with refueling in the cold. Usually the fuel gels up at -40 and your truck never shuts off. In slightly warmer periods, day-20C the retailer may give you a hard time. Sometimes fuel islands will issues you warnings too.

The process is actually safe enough.

UWSkier · January 9

Going across the southwest in the summer with the camper in-tow, I'd let the truck run while filling up with the wife and dog inside. I did this because the RV lanes at Pilot/Flying-J don't have any sun protection, the fill times can be long, and the truck can go from cool to really uncomfortable in a matter of minutes. No issues in the 10 or so times I've done that with my 2024 and my previous 2016.