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Part number 030906027K is an OEM engine control module for the <a href="https://giantparts.eu/brand/volkswagen“>Volkswagen Polo and Golf small-displacement petrol range — compact, fuel-efficient VAG hatchbacks recognised for their robust engineering across the A2 and A3 generations. Removed from a running vehicle and tested, this is a genuine OEM-quality used replacement.
The ECM governs fuel injection and ignition management for these compact petrol engines — controlling injection timing and pulse width, ignition advance, idle speed regulation, cold-start enrichment, and lambda sensor feedback in line with VAG’s Digifant or Mono-Jetronic engine management calibration.
A defective ECU on Polo and Golf small petrol models often causes difficult starting, rough or unstable idle, engine stalling, hesitation under acceleration, and diagnostic codes pointing to injection signal faults, idle control errors, or lambda circuit anomalies.
Supplied as a tested, OEM-matched used unit for Volkswagen Polo and Golf petrol applications. Professional installation is recommended; VAG coding and immobiliser adaptation may be required after fitting.
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/
