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Old 03-31-2010, 10:45 AM   #3 (permalink)
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LUVMY02CREW's Avatar
Join Date: Jan 2008
Location: Mid TN
Posts: 152

TANK the fifth - '02 Chevrolet S10 Crew Cab 4x4 LS
90 day: 20.44 mpg (US)
Thanks: 4
Thanked 2 Times in 2 Posts
My brain is obviously not working right this morning, so I'm gonna have to ask...what exactly is "open loop" and "closed loop"? I'm almost positive I've seen it explained elsewhere, but could somebody give me a refresher, please?
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