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Old 06-13-2012, 11:53 AM
Will_w202 Will_w202 is offline
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Join Date: Jul 2004
Location: NC
Posts: 1,140
More info - gasoline vs ethanol

I've been running it on pure gasoline from the same place I fill up my SL, and when I switched back to Shell Vpower, it has stopped dying on the first crank. I know it takes a higher volume of ethanol to produce the same amount of power as gasoline, so I presume the ECU was running the mixture too rich on the "raw" gasoline? Still, it didn't die on the previous tanks of the same gasoline, but it does seem air/fuel/rich/lean mix related.

But surely it should have adjusted for the difference is gas vs e10, no? I doubt there's much data on running a 204 car on pure gasoline, but thought I'd ask.
former: 83 300D, 97 C230, 93 400E

current: 08 C300 Luxury , 92 500SL
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