Where is the ecu on a Vauxhall astra?

The ECU (Engine Control Unit) on a Vauxhall Astra is typically located in the engine compartment, mounted on or near the engine itself. It is usually found near the battery or on the driver's side of the engine bay. In some models, it may also be located under the dashboard or in the passenger compartment, depending on the specific design and year of the vehicle. Always refer to the vehicle's service manual for the most accurate location based on the model year.