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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Big Wheels a Rollin Movin' On... Big rig wannabe. All six of my diesels EGT were cooled to safe shut off temps by the time I coasted down the off ramps and eased into a station or positioned our trailer in it's camp site or parked at the house. If I had just pulled up a 6% grade and pulled into a scenic overlook, I would let the engine idle a couple of minutes gas or diesel. Other that that type of scenario, it's just chest puffing.
