In my experience automatic cars will not cut fuel to engine for a long time when you are off the gas. When you get your scanguage you will know for sure, just watch the instantaneous MPG gauge. I think this is to do with how an auto works.
As for EOC, since your tranny doesn't have a good reputation I wouldn't bother. Do coast in neutral idling though, idling uses way less gas than even using 3% throttle to keep the engine from braking.
Ian
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