The F9Q engine was often fitted with in early models, but the engine bay packaging in models like the Laguna II and Mégane II was notoriously tight. This led to significant heat soak. The turbocharger, positioned close to the bulkhead, operated at extreme temperatures.
While modern cars use digital sensors, vintage models like the Renault 15 Renault 5 Turbo Renault 21 rely on these potentiometers for several functions: Alibaba.com Throttle Position Sensing: p158b renault