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Old 10-19-2016, 06:50 PM   #37 (permalink)
samwichse
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Spicy Italian - '13 Fiat 500 Abarth

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Quote:
Originally Posted by MetroMPG View Post
I think the Civic's relatively poor performance in both the comparisons might come down to the fact that neither loop started with a hot engine. The city route was "warm start", highway was "cold start".

I suspect the Civic's city numbers are pretty horrible [relatively speaking! ] until autostop is operating.

I was following the Civic, prepared to "manually auto stop" the Mirage's engine if I saw the Civic's stop. But on our way through the city to the freeway, and it never did stop (I could always see the tail pipe vibrating).
My guess on the Civic is that the hybrid battery is totally shot, but the "updated" BCM/ECM code hides it so the car will still run and not just code out.

It's probably throwing a hidden background charge into the battery almost constantly and rescaling the dash gauge to look like it's assisting as normal but only really giving you 8 amps or so.
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