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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 83 (Engine Controls Self-Diagnostics - 2.2L) >> Diagnostic Tests >> DTC P0442: EVAP Control System - Small Leak Detected >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2002 GMC Sonoma and 2002 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.

The EVAP system tests run when the engine is first started and meets the Conditions for Running the DTC. See CONDITIONS FOR RUNNING DTC . To aid in locating intermittent leaks, use the EVAP Pressure/Purge Diagnostic 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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