Quote:
Originally Posted by SDMCF
A few years ago cold start on E85 could be a problem here - although typically cold start here would be a lot colder that in Brazil. I hadn't thought about it until you mentioned it but I haven't seen anyone having that problem for quite a while, with any injection type. Perhaps the tuners have just got better at it.
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Presumably the sequential injections becoming more common than continuous ones also improved the thermal management, leading to a shorter cold phase. In Brazil it has been increasingly common for flexfuel cars with port injection to feature electrically heated injectors as a starting aid with ethanol, while older ones resorted to an auxiliary gasoline tank which also used to be common back in the day of the dedicated-ethanol cars.