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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 330 (Engine Controls - Self-Diagnostics - 3.0L) >> Diagnostic Tests >> DTC P0443: EVAP Purge Solenoid Control Circuit >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

EVAP purge solenoid resistance is 23-32 ohms.

EVAP purge solenoid is Pulse-Width Modulated (PWM). An audible clicking should be heard when the purge solenoid is commanded to 50 percent and should stop when the EVAP purge solenoid is commanded to zero percent. The rate at which the solenoid cycles should increase as the commanded state is increased and decreased as the commanded state is decreased. Repeat the commands as necessary.

For intermittent conditions, refer to INTERMITTENTS in TROUBLE SHOOTING - NO CODES - 2.2L & 3.0L VUE article.

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