✅ Fixed
EGR valve completely clogged with carbon. Removed and manually cleaned with wire brush and carb cleaner. Also cleaned EGR cooler passages. P0401 resolved. Cleaned at 90000 miles — should have been done at 60000.
Ford Transit 2016 2.2 TDCi EGR valve fault
⚡ Quick Summary
Severity Level
Critical
Safe to Drive?
🚫 Do NOT Drive
Safety Impact
Direct safety risk — affects safe operation of the vehicle
Urgency Level
🔴 Fix Immediately
P0401 EGR fault. Rough idle. Occasional smoke on startup. This fault code is stored when the engine control unit detects a specific fault condition. Common causes include sensor failures, wiring faults, and component wear. Always read additional fault codes before replacing parts — multiple codes together provide a clearer diagnosis. Clear the code after repair and test drive to confirm the fault does not return.
🔍 Symptoms
📍 Ford Transit
⚠️ P0401 fault code
⚙️ Possible Causes
Fault code P0401 detected
Ford Transit
Possible: EGR valve completely clogged with carbon. Removed and manually cleaned with wire brush and carb cleaner. Also cleaned EGR cooler passages. P0401 resolved. Cleaned at 90000 miles — should have been done at 60000.
Repair / Solution
Based on 76 driver confirmations
⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Ford Transit 2016 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
🧾 Driver Reports
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