Overview The Renault 900T H4BA engine, commonly marketed as the 0.9 TCe (Turbo Control efficiency), is a compact turbocharged petrol engine developed as part of Renault’s downsizing strategy. It was widely used in the Renault Clio IV and the first-generation Renault Captur, where efficiency, low emissions, and everyday usability were key priorities. With a displacement of 898 cc, this three-cylinder …