Did a search but didn't find exact question so..I went into work yesterday and a service truck was parked by our entrance with the back open and it was idling (not a big deal, happens often) I went ba...
Can't speak for the operator of the delivery truck or the reasons why it was left idling for over an hour...but,
Mine gets shut down if I'm not driving it...(unless I'm letting the EGT's -exhaust gas temperature- come down after a long hard pull. This takes about 5 minutes or less)-I have a pre turbo gauge.
Also, an unattended vehicle left running is inviting car theft. Shut it down, leave it and lock it.