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Old 05-22-2019, 02:35 AM   #1
morswestford
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e85 problem. Meter showing e40, not e80

Just filled my car with e85 completely at the new Wawa where i live.
The ethanol meter should show e80+ but it only shows e40.

Is this a problem with my ethanol meter or is the pump itself?

I haven't filled my car with e85 in over a year since the the place near me closed down but now a new place just opened.
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Old 05-22-2019, 07:15 AM   #2
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Most probably a bad batch of E85. In my area, E85 usually ranges from E60-E78, maybe four times in three years I ever saw E82 and once I saw about E87.

IF your tank wasn't completely drained, the remaining pump gas (E10) also contributes to the number being lower.
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Old 05-22-2019, 08:00 AM   #3
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Buy an e85 tester and test the station, they are cheap
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Old 05-22-2019, 10:32 AM   #4
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Agreed with the others, but also, most stations say E50-E85 or something, and they fluctuate depending on the time of year. In Philly, I bet they run a lower mix during the winter than we do in California or cold starts would be a bitch. That, on top of the fact that no one is ever empty when they fill up. Let us know what it says on your next fill up.

I run E85 exclusively, and I never see more than E78 this time of year, and I usually see closer to E70 in the California winter. Highest I have seen was E82 in the summer.
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Old 05-22-2019, 06:17 PM   #5
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With most setups don’t you not see much more gains above about 70% ethanol?
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Old 05-22-2019, 08:58 PM   #6
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your right, it has to be bad blend, usually my meter goes to e70-e80 when filling up completely on e85. i think im going to have to let Wawa know about this huge problem.

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Most probably a bad batch of E85. In my area, E85 usually ranges from E60-E78, maybe four times in three years I ever saw E82 and once I saw about E87.

IF your tank wasn't completely drained, the remaining pump gas (E10) also contributes to the number being lower.
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Old 05-22-2019, 09:03 PM   #7
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With most setups don’t you not see much more gains above about 70% ethanol?


Yup
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Old 05-23-2019, 07:31 AM   #8
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With NA setup probably E60 is already enough to reach MBT, that gives you room for bad batches of e85
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Old 05-23-2019, 11:22 AM   #9
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But that doesn't mean you shouldn't tell the station that if it's marked as E85, it should be close to E85. If it lists a range, and it's within that range, it's ok. But E40 isn't E85.

Most likely decent blend, with E10 left in the tank is coming out to E40.
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