I've noticed lots of car people have a different idea of what "turn over" means. To me if the starter motor is rotating the crankshaft the engine is turning over. But to some guys "won't turn over" means the fuel isn't exploding and the engine isn't starting to catch and run on its own.

It makes a big difference in troubleshooting, 'cause in one case it's a battery/cables/starter issue, in the other case a possible glow plug/air in lines problem.

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'81 300CD - 180K, cannot be killed by any conventional means
'99 Ford Escort - good MPG