The system consistes of two units: a boost control unit as the vacuum sensor, and a by-pass air control unit as an actuator. ... Cold air being drawn into the engine causes a denser and richer air/fuel mixture, inefficient fuel atomization, and thus, more hydrocarbons ... A temperature sensing vacuum switch controls vacuum applied to a vacuum motor operating a valve in the intake snorkle of the air cleaner.
|Title||:||Chilton's repair & tune-up guide, Datsun 200SX, 510, 610, 710, 810, Nissan Maxima, 1973-84|
|Author||:||Chilton Book Company, A. Lindsay Brooke|
|Publisher||:||Chilton Book Company - 1984-10-01|