Passat Sedan L4-2.0L Turbo (BPY) (2007)
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Engine Control Module: Description and Operation
Function
The Motronic Engine Control Module (ECM) (J623) regulates fuel injection, Throttle Valve Control Module (J338), oxygen sensor regulation,
ignition, knock control, Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80), engine speed limitation as well as On Board Diagnostic
(OBD).
