Votre Audi A5 Sportback 40 TDI 190 Design au meilleur ... (Blanche Kelly) I know there is a valve which Audi's have had an issue with which do exactly this. Looking for more second hand cars? The sound starts when I move the key to the ON position, without starting the engine.
I know there is a valve which Audi's have had an issue with which do exactly this.
I'm thinking this is probably the EGR valve fluttering.
Testing of the fuel (diesel) consumption os an AUDi before and after the apply of a special engine tuning - more about the before condition on the Performance & fuel consumption test condition and AUDI's original performance data. Looking for more second hand cars? The sound starts when I move the key to the ON position, without starting the engine.
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