What does cdti stand for on vauxhalls diesel cars.

CDTi stands for Common rail Diesel Turbo Injection.

Common rail diesel systems can generate pressure now in excess of 2,000 BAR (29,000 PSi) which offers a number of benefits over traditional diesel systems.

These high pressures improve the atomisation of the fuel thus improving ignition and combustion within the engine. In addition to the increased pressures, the electronic control significantly improves the flexibility of the system over older mechanical fuel injection systems – for example, during a single combustion stroke the injector may inject up to seven times per cylinder per stroke.

Vauxhall claims outstanding fuel economy and describe the CDTi engine range as ‘whispering diesels’.

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