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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 26 (Engine Controls Self-Diagnostics - 5.0L & 5.7L) >> Diagnostic Tests >> DTC P0442: EVAP System - Small Leak >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2001 GMC Savana, 2001 Chevrolet RV Cutaway, 2001 Chevrolet Cutaway, and 2001 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

EVAP system tests run when engine is first started and meets code enable criteria. To aid in locating intermittent leaks, use pressure/purge diagnostic station to pressurize EVAP system. Move all EVAP components while testing with ultrasonic leak detector.

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