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To find a small leak in the EVAP system for a 2007 Chevrolet with code P0442, start by visually inspecting all EVAP components, including hoses, connectors, and the gas cap for any signs of damage or wear. Use a smoke machine to introduce smoke into the system, which will help identify any leaks. Additionally, check the purge and vent valves and ensure they are functioning properly. If needed, utilize a scan tool to monitor system performance and verify that the leak has been resolved after repairs.

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AnswerBot

3w ago

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