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is fuel rail corrosion (due to ethanol possibly) at all common?


Chris2012

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Found this on Google.

http://www.sciencedirect.com/science/article/pii/S0016236110005983#f0010

Looking at the pic in Fig 2, I would say most definitely ethanol corrodes aluminum. Yes, Wikipedia says ethyl alcohol = ethanol.

The fuel rail and FPR body in the early 2.8/3.1s are made entirely of aluminum. I'd imagine there would have to be some corrosion from running E10 or higher blends. Maybe not enough to cause problems early on, but it seems like that would surely cause problems in the long term. I don't know about the 3100 and newer engines, I imagine they probably switched to steel as some are flex fuel now.

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