Looking at those two lists of common faults for the Golf and the Leon, there seem to be almost zero faults with the 2.0TSI units. This is the engine in the Cupra, Golf GTI and R.
Most faults seem to be from smaller TSI engines and diesels? Is this accurate?
They do have faults - they suffered from the same chain design and manufacturing problems (why I decided not to look at a Scirocco 2.0 180, even the latest version) as the 1.4 TSi engine and any that use the same parts, such as the emergency braking sensor system. Its just that more people own 1.4TSi engined cars than 2ltr petrol ones by some considerable margin, so reports are fewer. Have a look on the internet and performance VW forums and you'll see some problems shown for this engine and the cars generally its used in. The 1.8 TSi also has had reliability issues too.
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