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Old 05-18-2011, 10:30 PM   #48 (permalink)
MetroMPG
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 22,527

Blackfly - '98 Geo Metro
Team Metro
Last 3: 70.09 mpg (US)

MPGiata - '90 Mazda Miata
90 day: 54.46 mpg (US)

Even Fancier Metro - '14 Mitsubishi Mirage top spec
90 day: 70.75 mpg (US)

Appliance car - '14 Mitsubishi Mirage ES (base)
90 day: 65.39 mpg (US)
Thanks: 4,078
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Quote:
Originally Posted by RobertSmalls View Post
Let us know how dirty your EGR manifold was. Mine was cruddy, but not blocked.
Took it apart this evening: very cruddy. Lots of carbon/coke, and some wetness in there too. ( Oil? ) I'd say the passages were ~50% blocked, or worse.

Anyway, I'll get some pics of the passages, clean it up and put it back together on the weekend probably.

Hopefully that fixes the engine "bucking" problem I experienced under light load at cruise.
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Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata
Honda mods: Ecomodding my $800 Honda Fit 5-speed beater
Mitsu mods: 70 MPG in my ecomodded, dirt cheap, 3-cylinder Mirage.
Ecodriving test: Manual vs. automatic transmission MPG showdown



EcoModder
has launched a forum for the efficient new Mitsubishi Mirage
www.MetroMPG.com - fuel efficiency info for Geo Metro owners
www.ForkenSwift.com - electric car conversion on a beer budget
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