Description
This Bosch engine ECU is an original Audi control unit for Audi 80 and Audi 90 models, supplied under primary OEM number 0280000701 and alternate reference 855907403. It is the electronic engine management unit that coordinates key running signals and supports proper fuel and ignition control for stable operation.
In normal service, the ECU processes sensor inputs and commands engine functions so the vehicle can start, idle, accelerate and maintain smooth performance. It is a central part of the management system, helping the engine deliver consistent response, efficient combustion and dependable drivability.
Common signs of a faulty unit include no-start or intermittent starting, unstable idle, hesitation under load, poor throttle response, misfiring, or irregular engine behavior that is not explained by basic service items. Electrical faults, internal circuit aging or communication issues can also lead to warning symptoms and inconsistent running.
This is a used original part, removed from a vehicle and tested before sale. Match 0280000701 and 855907403 exactly before ordering. Professional installation is recommended, and coding, programming or adaptation may be required depending on vehicle setup and replacement procedure.
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/
