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Old 04-05-2003, 12:56 AM
Robert W. Roe's Avatar
Robert W. Roe Robert W. Roe is offline
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Join Date: May 1999
Location: Lehigh Valley PA
Posts: 1,322
Inspector 1, I'm wondering ... Where does that extra fuel go?
I remember early 1970s GM cars had charcoal cannisters that would get saturated with fuel vapors. Can the extra vapors richen the mixture somehow and waste fuel?

I take it, that it's better to just fill up until the gas pump shuts itself off THE FIRST TIME when refueling? In other words, don't try to squeeze in another gallon or so.

I know in NJ (full serve only) they will top it off to the next higher dollar amount.

Tonight I filled my 300TE and got 19.5 mpg, not topping it off. I had been getting 17 mpg. I'll track this over several tankfuls to see if it's a statistical fluke. If my mileage improves, I'd rather pay $20 than $25 any day

Thanks, Bob
Bob Roe
Lehigh Valley PA USA
73 Olds 88, 72 MB 280SE, 78 Datsun 280Z, 71 T-Bird, 72 Olds 88, 83 Nissan Sentra, 85 Sentra, 73 230.6, 91 Integra, 83 300SD, 91 Volvo 940GLE wagon, 84 300SD, 95 Subaru Legacy L wagon, 02 Mountaineer, 91 300TE, 08 Murano, 2007 R320CDI 4Matic 52K, some Hyundai, 2008 BMW 535xi wagon all gone... currently
2007 Honda Odyssey Touring, 2011 Honda Odyssey Touring
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