Thumbnail Filmstrip of Audi Genuine EVAP Leak Detection Pump - 7L0906243L Images
Part Description: Audi / VW Part Number 7L0906243L
Component Name: EVAP Leak Detection Pump (Evaporative Emissions System Leak Detection Pump / LDPUMP)
Function: This factory OEM pump is a critical part of the vehicle's emissions control system.
It pressurizes the fuel vapor/EVAP system so the engine control unit (ECU) can run diagnostic tests to check for vapor leaks, ensuring compliance with environmental regulations and preventing fuel vapors from escaping into the atmosphere.
Key Details
Common Symptoms of Failure: A faulty leak detection pump can trigger a check engine light with diagnostic trouble codes related to the EVAP system (such as P0441, P0442, or P0455), cause a subtle fuel vapor odor, or result in a failed emissions inspection.
Previous/Interchangeable Part Numbers: Replaces older iterations such as 7L0906243F and 7L0906243P.
Vehicle Compatibility: Used across various modern Audi and Volkswagen Group platforms (including models like the Q7, Q8, A6, A7, A8, TT, RS3, and select VW models like the Atlas and Tiguan).
(Exact fitment depends heavily on the specific model year, market, and engine code).
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