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Are Additional Control Units Plugged into the EOBD Socket Worth It?

Model: (Various brands) Various
Part: Checks and maintenance

Our YouTuber, a true tuning professional, tested one of those additional control units - which are currently very popular - costing around £80 to £100, plugged directly into the EOBD socket, promising more power and torque. Aware that remapping control units is a meticulous job involving technical work and testing on the vehicle, he was rightly surprised that a piece of plastic could perform the same function he did with specialised equipment. Indeed, he uncovered the scam. With or without the "additional control unit", the vehicle produced the same horsepower and torque, even after several consecutive tests.

Updated on 8 July 2026 by ScegliAuto

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How to Open the Bonnet on the Lancia Y

To open the bonnet on this vehicle, follow these simple instructions: first, open the driver's door and locate the lever positioned just below the dashboard, marked with an image of the vehicle with the bonnet open. Pull this lever towards you until you hear a "click" indicating the bonnet is released. Next, exit the cabin and stand in front of the bonnet to disengage the safety catch and complete the opening. To do this, slightly lift the bonnet, locate the yellow lever underneath, and pull it to the left to fully release and open the bonnet.

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