Impreza 2.5 RS Sedan AWD F4-2.5L SOHC (2002)
Throttle Body: Description and Operation
Engine Throttle Cams
ENGINE THROTTLE CAMS
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The throttle body is equipped with two throttle cams. One is used during acceleration and the other during cruising in order to open or close the
throttle valve.
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These cams operate independently of each other. In other words, when one cam operates, the other may not.
