The exhaust gas temperature sensor for the Audi A8, Audi Q7, and Volkswagen Touareg with 4.0D or 4.2D engines is installed before the turbocharger. It measures the exhaust gas temperature and helps protect the engine from overheating.
- Type: Exhaust gas temperature sensor
- Installation position: Before the turbocharger
- Engine fuel type: Diesel
- Compatibility: Audi A8 (D3/D4), Audi Q7, Volkswagen Touareg
- Compatible years: 2003–2018
- Engines: 4.0D, 4.2D