QuestionJune 25, 2025

What do turbocharged engines use to generate vacuum for purge? A) Leak Detection Module B) Carbon Canister C) EVAP Purge Valve D) EVAP Ejector

What do turbocharged engines use to generate vacuum for purge? A) Leak Detection Module B) Carbon Canister C) EVAP Purge Valve D) EVAP Ejector
What do turbocharged engines use to generate vacuum for purge?
A) Leak Detection Module
B) Carbon Canister
C) EVAP Purge Valve
D) EVAP Ejector

Solution
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Answer

D) EVAP Ejector Explanation 1. Identify the Function of Turbocharged Engines Turbocharged engines typically do not generate vacuum naturally because they operate under positive pressure (boost) rather than negative pressure (vacuum). Therefore, an alternative method is needed to create a vacuum for systems like the EVAP (Evaporative Emission Control System). 2. Determine the Component Used for Vacuum Generation In turbocharged engines, an EVAP ejector is often used to create the necessary vacuum. The EVAP ejector uses the flow of exhaust gases or intake air to create a vacuum effect, which can then be used for purging the EVAP system. 3. Match the Correct Option Among the given options, the EVAP Ejector (Option D) is the component that generates vacuum in turbocharged engines for the purpose of purging.

Explanation

1. Identify the Function of Turbocharged Engines<br /> Turbocharged engines typically do not generate vacuum naturally because they operate under positive pressure (boost) rather than negative pressure (vacuum). Therefore, an alternative method is needed to create a vacuum for systems like the EVAP (Evaporative Emission Control System).<br /><br />2. Determine the Component Used for Vacuum Generation<br /> In turbocharged engines, an EVAP ejector is often used to create the necessary vacuum. The EVAP ejector uses the flow of exhaust gases or intake air to create a vacuum effect, which can then be used for purging the EVAP system.<br /><br />3. Match the Correct Option<br /> Among the given options, the EVAP Ejector (Option D) is the component that generates vacuum in turbocharged engines for the purpose of purging.
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