VW Passat B7 2.0 TDI EGR Valve Carbon Fouling
Volkswagen
Passat
2011
2.0 TDI EA189
⚡ Quick Summary
Severity Level
Medium
Safe to Drive?
⚠️ Drive with Caution
Safety Impact
Indirect risk — worth monitoring, not urgent
Urgency Level
🟡 Monitor Closely
Carbon deposits on the EGR valve of B7 Passat 2.0 TDI cause limp mode, rough idle and P0400-series codes. The EGR system on EA189 is a known maintenance item. Cleaning resolves most cases; replacement needed if valve is seized. Cleaning costs £150-280.
Onarım / Çözüm
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⚠️ Yanlış Teşhis mi?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Volkswagen Passat 2011 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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