I agree with much of what you shared but the dilemma is that there is no place (at least that I know of) to access UNBIASED research studies that compare two identical motors, driven exactly the same way, for the same numbers of miles, under the same exact conditions, with one running AS and the other not running AS. What we do have is a number of folks who are in the turbo world who recommend against using the AS system (on anything turboed in general) as-is (without some turbo etiquette). Despite all the cool things Ford claimed they do or did in the section you shared, they still are losing engines at low miles...and batteries...and alternators. Even if they use a more robust bearing, or "reinforce" the starter, or an enhanced AGM battery, I would wager those parts would last MUCH longer withOUT the AS. If they put that much engineering into a system to ward off the potential effects of AS, that clearly means they know AS places additional stress on those components.My auto start stop has been disabled since I picked up my bronco. I don’t like it any more than most people. Also I never claimed engineering was always 100% perfect lol
All I said was these things were clearly thought about and reinforced when designed. There is ZERO proof anywhere that just because a vehicle has auto start stop means you’ll be replacing anything sooner than any other vehicle without it.
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