Do you leave your diesel running ...?
I see many diesel drivers who leave the engine running while fueling (or other short-term occasions). For a while, I asked why they did that, just to see what their reason was. Never got the same answ...
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I just did it to keep my kids warm/cool. Or, I suppose, if I happened to just start it up for the first time a few minutes ago, but that would have been rare. I do the same thing with my gassers.
