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EVAP/PURGE SOLENOID DESCRIPTION All vehicles use a proportional purge solenoid (1). The OPERATION All vehicles use a proportional purge solenoid. The solenoid regulates the rate of vapor flow from the EVAP canister During the cold start warm-up period and the hot start time delay, the PCM does not energize the solenoid. When The proportional purge solenoid operates at a frequency of 200 hz and is controlled by an engine controller circuit REMOVAL 1. Remove air inlet resonator assembly. 2. Remove the air cleaner box. 3. Disconnect negative battery cable. 4. Unlock and disconnect electrical connector from solenoid (1). 5. Disconnect vacuum tubes from solenoid (2). PM EVAPORATIVE EMISSIONS 25 - 17 |