Last Mechanic? that trimmed a hose on my truck got it too short - it blew out 150 miles out in the hinterland- heater hose- could live with out it except it filled 3 spark plug wells in the process,3 dead cylinders on a v8- computer just gave up and shut it down. Mt St Helens was a mere blown up paper bag pop compared to where I was at that point. yep no cell service either.