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Old 08-26-2012, 08:32 AM   #4 (permalink)
arcosine
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Join Date: Nov 2010
Location: Chicago area
Posts: 1,129

sc1 - '98 saturn sc1
Team Saturn
90 day: 43.17 mpg (US)

Airplane Bike - '11 home built Carp line Tour

rans - '97 rans tailwind

tractor - '66 International Cub cadet 129

2002 Space Odyssey - '02 Honda Odyssey EX-L
90 day: 28.25 mpg (US)

red bug - '00 VW beetle TDI

big tractor - '66 ford 3400

red vw - '00 VW new beetle TDI
90 day: 58.42 mpg (US)
Thanks: 18
Thanked 310 Times in 211 Posts
It will only lean the mixture during open loop, in closed loop it still stoichiometric. Open loop is during cold starting and full throttle, unless you have an error code and a bad sensor..
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