Join Date: Jan 2006
Location: Northern California
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The owners manual will always warn about excessive idle time. I think the EPA requires that statement be included in there though. It might cause a newer truck to regen more often but I cant confirm that.
I have yet to hear about a truck thats been damaged from idling...except for the old wives-tail story about the Cummins which bent pushrods from idling a cold engine in arctic type weather. But that said, idling any ice cold engine in frigid weather is never a good idea.
Lastly, there are laws in certain areas which prevents idle times over a predetermined time frame, so make sure you're not in one of them. Other than that, I'd think you're good to pick up the kids.
I idle my trucks and cars in the summer for the AC and in the winter for the heater. My vehicles, my comfort, and my money...
'01 2500 Sport 4x4 5spd w/Fastcoolers, Mag-Hytec, EZ, RV275's, 4" w/o muffler, South Bend, Steering brace, aFe, 2 lo kit, Isspro Boost, FP, and EGT on pillar, Westach Trans/Diff temp gauge in dash pod, Raptor 100 w/ 1/2" line, Pac Brake, Rancho 9000, 285's