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Old 04-26-2014, 03:37 PM   #3 (permalink)
2000mc
herp derp Apprentice
 
Join Date: Oct 2008
Location: Lawrence, KS
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Saturn-sold - '99 saturn sc1
Team Saturn
90 day: 28.28 mpg (US)

Yukon - '03 GMC Yukon Denali
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i think i would dig into the issue with the fans coming on at 185. seeing 185 on a vague factory gauge or scangauge, or some other digital way of reading? know if the ecm uses the ect sensor to turn the fan on, or seprate sensor/ temp switch? i'd also make sure the hvac is completely off when tring to figure it out
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