The reason I thought about this was that sometimes I don't lock the car, figuring who would want to steal an old diesel. They're not exactly the "joy riding" type of car. So I started thinking how easy or difficult it would be to steal it. I never thought about the vacuum system constantly shutting the car off on it's own. I agree that would be a great skit, of course like you said only us diesel heads would understand.

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1999 MB SL500 (110,000 mi)
2004 Volvo V70 2.5T (220,000 mi)
2014 Tesla Model S 85 (136,000 mi)
MBCA member