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The purge valve solenoid is a key component of your vehicle's emissions control system. Its primary function is to manage the release of gasoline vapors that are stored in the charcoal canister. The valve opens and closes under the control of the engine's computer, allowing these vapors to be routed from the canister into the engine's intake manifold at the appropriate time to be burned as part of the normal combustion process. When a purge valve fails, it can cause a range of issues, including a check engine light (often with codes like P0441 or P0446), poor engine idle, and decreased fuel efficiency. This direct-fit replacement, with Part Number 90910-12199, is engineered to meet original equipment specifications, ensuring proper function and helping your vehicle pass emissions tests.