Purge Valve Replacement: Why It’s Important + Costs Involved
RepairSmith
MARCH 28, 2024
This system traps and reroutes fuel vapor to the engine, reducing harmful emissions and improving fuel efficiency. The ECU (Electronic Control Unit) opens and closes the canister purge valve to control the vapor flow. In addition to the check engine light, it also registers several diagnostic codes, including the P0443 and P0441.
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