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Old 08-28-2012, 06:28 PM   #1
Scooby Newbie
Member#: 301247
Join Date: Nov 2011
Location: Toronto
09 Impreza 2.5i MT

Default wierd sound under load

when engine is under heavy load at low rpms (1000-3000) it makes a funny rumbling sort of noise. this is made worst if the AC is on or the outside temprature is hot. i use scangauge 2 to monitor engine load mpg etc and i noticed this noise comes up when engine load hits 99% (max load). this doesnt happen under full throttle. anyone experienced this with the 2.5L?
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