Descrizione
Part number 3A0907311A is an OEM engine control module from the <a href="https://giantparts.eu/brand/volkswagen“>Volkswagen Passat B3 and Golf 3 generation — early-1990s VAG models that cemented the platform’s reputation for dependable, practical motoring. Removed from a running vehicle and tested, this genuine used unit provides reliable OEM-quality engine management.
The ECM governs petrol engine management for the Passat B3 and Golf 3 platform — controlling fuel injection timing and quantity, ignition advance, idle speed regulation, cold-start enrichment, lambda sensor feedback, and knock sensor response within the period VAG engine management calibration.
A failing ECU on these models can manifest as inability to start, rough idle, engine stalling, hesitation during acceleration, poor cold-start behaviour, and fault codes covering injection faults, ignition timing errors, or sensor signal anomalies.
Supplied as a tested, OEM-matched used unit for Volkswagen Passat B3 and Golf 3 era models. Professional installation is recommended; VAG diagnostic coding and immobiliser adaptation may be required.
Returns accepted only for genuine faults — faulty on arrival, not as described, or wrong part supplied — requested within 14 days, with all 3 anti-tamper stickers intact. No returns for change of mind, incorrect installation, coding/programming, or buyer compatibility errors; checking compatibility (OEM number, firmware, vehicle) is the buyer’s responsibility. Full policy: https://giantparts.eu/refund-and-returns/
