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Diagnostic Aids

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

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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