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Old 02-12-2013, 02:35 AM   #4 (permalink)
baldlobo
EcoModding Apprentice
 
Join Date: Oct 2010
Location: winterpeg, manisnowba
Posts: 211

clank - '99 jeep tj sport
90 day: 17.32 mpg (US)
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if you do anything to the o2 sensor; it will run in limp home mode, which means it'll run off a specific program that is ment to be used to get you to a garage; it will run rich and can cause problems with your cat.

the same can go for resistor mods
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