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Home >> Pontiac >> 2003 >> Aztek AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics >> Diagnostic Tests >> DTC P0442: EVAP System - Small Leak >> Diagnostic Aids

Diagnostic Aids

The EVAP system test runs when engine is first started and meets the Conditions for Running DTC. See CONDITIONS FOR RUNNING DTC . To aid in locating intermittent leaks, use the EVAP Pressure and Purge Station (J-41413) to pressurize the EVAP system. Move all EVAP components while testing with the Ultrasonic Leak Detector (J-41416).

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