I STARTED EXPERIENCING ROUGH IDLE WITH MY AUDI S8 WITH NO CHECK ENGINE LIGHT. I CHANGED PARTS IN ORDER OF:

1. SPARK PLUGS TO NGK BKR7EIX
2. CHANGED COIL PACKS TO RS7 ONES
3. CARBON CLEANED
4. KN FILTERS TO PRORAM FILTERS
5. PCV VALVE & OIL SCREEN REMOVED
6. TURBOS. (BOTH TURBOS WERE BAD)

#S8 #S6 #S7 #RS6 #RS7 #TURBO #VAG #TFSI #STAGE2 #MISFIRE

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