Audi RS5 B9 2.9 TFSI Biturbo Carbon Intake Valves
Audi
2017
2.9 TFSI EA839 V6 Biturbo
⚡ Quick Summary
Severity Level
Low
Safe to Drive?
✅ Safe to Drive
Safety Impact
No direct safety impact reported by owners
Urgency Level
🟢 Low Priority
The 2.9 TFSI V6 BiTurbo in RS5 B9 accumulates carbon on intake valves above 80,000 miles. Walnut blasting both banks costs £550-800.
Repair / Solution
No confirmed fixes yet. Share yours below.
⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Audi 2017 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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