5/2/2023 0 Comments Golf 6 1.4 tsi engine issuesThe 122ps (CAXA) does not suffer from the same piston failure issue. However this is costly, with the pistons alone costing £800+ (wossner), another £200 in gaskets and seals, and the work to change them being £500-£1000 in labour as it takes a lot of time to dismantle this engine. Ideally changing the pistons for either the newer ones or even better forged pistons such as Wossner, will resolve the issue completely. The 24S4 update was to re-calibrate the knock sensor in order for it to detect knock more easily when using poorer quality fuels.Īll 1.4 TSI's have this update now as it was done very early on (2010).Įven though it would reduce premature piston failures in countries like Australia where the fuel quality is far more variable, it doesn't really have much effect in the UK.Īs indicated the primary cause of failure on pre-2012 engines are the weak pistons cracking, Post Jan 2012 a different brand of pistons are used of which seem much strong and I have not heard of any failures.
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