Legacy L Wagon AWD F4-2.2L SOHC (1997)
Throttle Body: Description and Operation
Throttle Cams
ENGINE THROTTLE
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The throttle body is equipped with two throttle cams. One cam 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, while one cam operates, the other does not.