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Old 06-09-2013, 08:24 AM   #6 (permalink)
silvercolly07
EcoModding Lurker
 
Join Date: May 2013
Location: Minnesota
Posts: 13

Chevy - '07 Chevy Colorado LT
90 day: 20.63 mpg (US)
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Straight from the manual "fia/cia- intake air temperature - temperature of the air going into the engine. At highway speed, this will typically be a few degrees higher than the outside temperature. At idle or low speed, it may reach higher than the outside temperature due to the low airflow onto the engine and the high under-good temperature warming up."
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