Supposedly the slow and gradual change by percentage to E85 is to allow the ECU to "learn" and gradually make self-adjustments. An extreme and sudden change in the gasoline ethanol % ratio may confuse the ECU. Or, I'm confused... Jim In a message dated 6/16/2008 9:31:59 A.M. US Mountain Standard Time, [EMAIL PROTECTED] writes:
On Jun 15, 2008, at 8:29 AM, Ray Ayala wrote: > For those of you that own a similar Prius and want to try it > yourself, keep in mind that you will have to increase the %ethanol > as slowly as was done in the test (same for switching back) because > the ECU adapts only very slowly. Perhaps future versions will have > their ECUs reprogrammed to switch quickly like flex-fuel ECUs. At least in the gasoline to E85 direction, why would you need to move the mixture slowly? It seems like that's 'safe', and you'll get somewhat degraded performance until the ECU catches up. Switching back suddenly is disastrous, of course. Unfortunately E85 is just unavailable here in CA, otherwise I'd be thinking about E85 software for the Audi. -Z _______________________________________________ Miatapower mailing list [email protected] http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower **************Gas prices getting you down? Search AOL Autos for fuel-efficient used cars. (http://autos.aol.com/used?ncid=aolaut00050000000007)
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