From another perspective – say I get gas on average every 250 miles. After 200,000 miles that is 800 gas stops – 800 starts if I turn it off. It is said that the most wear and tear is during starting. (Obviously getting gas is not a “cold”start.) Or, let it run for say 6 minutes or so, which would be 80 hours of idle time over the same 800 gas stops.
Which is more wear and tear? And if it is actually starting, is leaving it run “enough” better to take the fire risk, even if the risk is vanishingly small? I’d say probably not.
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